<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2022 Workiva-->
<!--r:6cd99f9c-7898-4d89-a63c-8fce69dc384d,g:d9101fb9-eb11-4cb8-890c-68133ed19045-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.stepstonegroup.com/role/CondensedConsolidatedBalanceSheetsUnaudited" xlink:type="simple" xlink:href="step-20220930.xsd#CondensedConsolidatedBalanceSheetsUnaudited"/>
  <link:calculationLink xlink:role="http://www.stepstonegroup.com/role/CondensedConsolidatedBalanceSheetsUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_5484b6fe-8253-45da-a136-2eea3570a171" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_8a872998-b383-4971-932f-13d112ab60db" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_5484b6fe-8253-45da-a136-2eea3570a171" xlink:to="loc_us-gaap_OperatingLeaseLiability_8a872998-b383-4971-932f-13d112ab60db" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableAndOtherAccruedLiabilities_a89818fb-1cf6-4ac2-8a7b-c178d3dd4dd5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsPayableAndOtherAccruedLiabilities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_5484b6fe-8253-45da-a136-2eea3570a171" xlink:to="loc_us-gaap_AccountsPayableAndOtherAccruedLiabilities_a89818fb-1cf6-4ac2-8a7b-c178d3dd4dd5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_EquityMethodInvestmentAccruedCarriedInterestRelatedCompensationPayable_40846896-5379-4f23-8260-f9eb02e76dbf" xlink:href="step-20220930.xsd#step_EquityMethodInvestmentAccruedCarriedInterestRelatedCompensationPayable"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_5484b6fe-8253-45da-a136-2eea3570a171" xlink:to="loc_step_EquityMethodInvestmentAccruedCarriedInterestRelatedCompensationPayable_40846896-5379-4f23-8260-f9eb02e76dbf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrentAndNoncurrent_33734a0d-793d-4c70-8c40-24f78f4a456b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrentAndNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_5484b6fe-8253-45da-a136-2eea3570a171" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrentAndNoncurrent_33734a0d-793d-4c70-8c40-24f78f4a456b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DueToRelatedPartiesCurrentAndNoncurrent_2a9c67c6-d4df-456e-aa01-6a1374058b18" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DueToRelatedPartiesCurrentAndNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_5484b6fe-8253-45da-a136-2eea3570a171" xlink:to="loc_us-gaap_DueToRelatedPartiesCurrentAndNoncurrent_2a9c67c6-d4df-456e-aa01-6a1374058b18" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_496db7f7-e10f-4584-b163-1b0b23832bf2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebt"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_5484b6fe-8253-45da-a136-2eea3570a171" xlink:to="loc_us-gaap_LongTermDebt_496db7f7-e10f-4584-b163-1b0b23832bf2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_LegacyInvestmentAccruedCarriedInterestRelatedCompensationPayable_e71fc582-9a74-4679-95c1-c186137bc707" xlink:href="step-20220930.xsd#step_LegacyInvestmentAccruedCarriedInterestRelatedCompensationPayable"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_5484b6fe-8253-45da-a136-2eea3570a171" xlink:to="loc_step_LegacyInvestmentAccruedCarriedInterestRelatedCompensationPayable_e71fc582-9a74-4679-95c1-c186137bc707" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_02f5b68a-e4a4-49c9-bdad-868efefe732e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_57137d44-ea5d-4d23-a4ef-d1dda6282810" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_02f5b68a-e4a4-49c9-bdad-868efefe732e" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_57137d44-ea5d-4d23-a4ef-d1dda6282810" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_19ad608a-ccdb-48b2-8cdc-d21e28978a58" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_02f5b68a-e4a4-49c9-bdad-868efefe732e" xlink:to="loc_us-gaap_CommonStockValue_19ad608a-ccdb-48b2-8cdc-d21e28978a58" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_9c60c480-f50d-45f6-a356-a6b218eb0264" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_02f5b68a-e4a4-49c9-bdad-868efefe732e" xlink:to="loc_us-gaap_AdditionalPaidInCapital_9c60c480-f50d-45f6-a356-a6b218eb0264" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_8cddbc86-9c3a-4b40-a92a-b3f8512dc6f9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_02f5b68a-e4a4-49c9-bdad-868efefe732e" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_8cddbc86-9c3a-4b40-a92a-b3f8512dc6f9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_79bdf597-3a59-475a-bc91-37ae32932acc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_fea9dd97-b8ed-4fa0-8324-ca84b6b5eaba" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MinorityInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_79bdf597-3a59-475a-bc91-37ae32932acc" xlink:to="loc_us-gaap_MinorityInterest_fea9dd97-b8ed-4fa0-8324-ca84b6b5eaba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_09ae33de-42cf-4a81-b325-be468fb31f33" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_79bdf597-3a59-475a-bc91-37ae32932acc" xlink:to="loc_us-gaap_StockholdersEquity_09ae33de-42cf-4a81-b325-be468fb31f33" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_45061a19-dd1c-467d-a9af-488785876faa" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_3f423dd1-2612-4696-be52-b6f51a3af9b9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_45061a19-dd1c-467d-a9af-488785876faa" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_3f423dd1-2612-4696-be52-b6f51a3af9b9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_637e6974-bdc9-4659-991f-918ef081b0f8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_45061a19-dd1c-467d-a9af-488785876faa" xlink:to="loc_us-gaap_Liabilities_637e6974-bdc9-4659-991f-918ef081b0f8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_64bca970-6e58-4c2e-b93e-4c0754ac125e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_45061a19-dd1c-467d-a9af-488785876faa" xlink:to="loc_us-gaap_CommitmentsAndContingencies_64bca970-6e58-4c2e-b93e-4c0754ac125e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_a3bbb08f-0f0c-4cfd-9b77-b25b505500e8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DueFromRelatedParties_11dcbb26-822d-4540-986c-afc9394cf64d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DueFromRelatedParties"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_a3bbb08f-0f0c-4cfd-9b77-b25b505500e8" xlink:to="loc_us-gaap_DueFromRelatedParties_11dcbb26-822d-4540-986c-afc9394cf64d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_da3e7892-4b00-482e-985d-5707f26991ed" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_a3bbb08f-0f0c-4cfd-9b77-b25b505500e8" xlink:to="loc_us-gaap_Goodwill_da3e7892-4b00-482e-985d-5707f26991ed" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssets_0c006248-7d97-433e-8bfc-bc6c53a2ac18" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherAssets"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_a3bbb08f-0f0c-4cfd-9b77-b25b505500e8" xlink:to="loc_us-gaap_OtherAssets_0c006248-7d97-433e-8bfc-bc6c53a2ac18" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_2e5bcb7b-e9c2-4e5b-84b1-bb878d0e3a7b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_a3bbb08f-0f0c-4cfd-9b77-b25b505500e8" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_2e5bcb7b-e9c2-4e5b-84b1-bb878d0e3a7b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_EquityMethodInvestmentsExcludingAccruedCarriedInterestAllocations_a540fe75-204d-43a6-8d24-9a7fcfdb26d5" xlink:href="step-20220930.xsd#step_EquityMethodInvestmentsExcludingAccruedCarriedInterestAllocations"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_a3bbb08f-0f0c-4cfd-9b77-b25b505500e8" xlink:to="loc_step_EquityMethodInvestmentsExcludingAccruedCarriedInterestAllocations_a540fe75-204d-43a6-8d24-9a7fcfdb26d5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNet_bf8d5a0c-4add-4d88-a7d2-a8b7e3e1d0cb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsReceivableNet"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_a3bbb08f-0f0c-4cfd-9b77-b25b505500e8" xlink:to="loc_us-gaap_AccountsReceivableNet_bf8d5a0c-4add-4d88-a7d2-a8b7e3e1d0cb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_af7de95f-5112-4d50-9ea2-d5c41ef97c9c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_a3bbb08f-0f0c-4cfd-9b77-b25b505500e8" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_af7de95f-5112-4d50-9ea2-d5c41ef97c9c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_EquityMethodInvestmentsAccruedCarriedInterestAllocations_28964dcf-5d40-43dd-bdf7-e8084cb84deb" xlink:href="step-20220930.xsd#step_EquityMethodInvestmentsAccruedCarriedInterestAllocations"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_a3bbb08f-0f0c-4cfd-9b77-b25b505500e8" xlink:to="loc_step_EquityMethodInvestmentsAccruedCarriedInterestAllocations_28964dcf-5d40-43dd-bdf7-e8084cb84deb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_ee31ddcd-e297-4e2d-ba5b-abe633771f4a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_a3bbb08f-0f0c-4cfd-9b77-b25b505500e8" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_ee31ddcd-e297-4e2d-ba5b-abe633771f4a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCash_ac610e47-6c57-4111-92d7-46b5136e9ac1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestrictedCash"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_a3bbb08f-0f0c-4cfd-9b77-b25b505500e8" xlink:to="loc_us-gaap_RestrictedCash_ac610e47-6c57-4111-92d7-46b5136e9ac1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_a67670f3-7abc-4443-86c8-ca6777133f2d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_a3bbb08f-0f0c-4cfd-9b77-b25b505500e8" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_a67670f3-7abc-4443-86c8-ca6777133f2d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_LegacyInvestmentsInFundsAndAccruedCarriedInterestAllocations_95971223-2f68-459c-a90c-50278e53967c" xlink:href="step-20220930.xsd#step_LegacyInvestmentsInFundsAndAccruedCarriedInterestAllocations"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_a3bbb08f-0f0c-4cfd-9b77-b25b505500e8" xlink:to="loc_step_LegacyInvestmentsInFundsAndAccruedCarriedInterestAllocations_95971223-2f68-459c-a90c-50278e53967c" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.stepstonegroup.com/role/CondensedConsolidatedStatementsofIncomeLossUnaudited" xlink:type="simple" xlink:href="step-20220930.xsd#CondensedConsolidatedStatementsofIncomeLossUnaudited"/>
  <link:calculationLink xlink:role="http://www.stepstonegroup.com/role/CondensedConsolidatedStatementsofIncomeLossUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_ab01705d-ad93-4df5-9491-98432478bedf" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Revenues"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueNotFromContractWithCustomer_305f9640-cc62-4f33-a6e9-e7690278691e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueNotFromContractWithCustomer"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_ab01705d-ad93-4df5-9491-98432478bedf" xlink:to="loc_us-gaap_RevenueNotFromContractWithCustomer_305f9640-cc62-4f33-a6e9-e7690278691e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_357033cb-2ca4-4c14-b12f-f03d94db7c3d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_ab01705d-ad93-4df5-9491-98432478bedf" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_357033cb-2ca4-4c14-b12f-f03d94db7c3d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_CompensationAndBenefitsExpense_a5fd2f88-9be5-494e-b754-60a428615357" xlink:href="step-20220930.xsd#step_CompensationAndBenefitsExpense"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_8ea50ec2-77b1-4ea5-928a-9824c64a41f4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_step_CompensationAndBenefitsExpense_a5fd2f88-9be5-494e-b754-60a428615357" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_8ea50ec2-77b1-4ea5-928a-9824c64a41f4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_CompensationExpenseCashBasedCompensationAndBenefits_816165cd-5163-446c-a527-b04f5c2b7159" xlink:href="step-20220930.xsd#step_CompensationExpenseCashBasedCompensationAndBenefits"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_step_CompensationAndBenefitsExpense_a5fd2f88-9be5-494e-b754-60a428615357" xlink:to="loc_step_CompensationExpenseCashBasedCompensationAndBenefits_816165cd-5163-446c-a527-b04f5c2b7159" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_LegacyPerformanceFeeRelatedCompensationRelatedToCarriedInterestAllocation_f1ba08b4-4692-4a1b-80c4-2a300dc1bb89" xlink:href="step-20220930.xsd#step_LegacyPerformanceFeeRelatedCompensationRelatedToCarriedInterestAllocation"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_step_CompensationAndBenefitsExpense_a5fd2f88-9be5-494e-b754-60a428615357" xlink:to="loc_step_LegacyPerformanceFeeRelatedCompensationRelatedToCarriedInterestAllocation_f1ba08b4-4692-4a1b-80c4-2a300dc1bb89" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_PerformanceFeeRelatedCompensationRelatedToCarriedInterestAllocation_9c237f58-1346-4b0e-b6d2-967bd58ed2d8" xlink:href="step-20220930.xsd#step_PerformanceFeeRelatedCompensationRelatedToCarriedInterestAllocation"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_step_CompensationAndBenefitsExpense_a5fd2f88-9be5-494e-b754-60a428615357" xlink:to="loc_step_PerformanceFeeRelatedCompensationRelatedToCarriedInterestAllocation_9c237f58-1346-4b0e-b6d2-967bd58ed2d8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_ac39b416-6ed6-4a8e-a41a-6cb14134f591" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_970002e2-4d88-4052-879a-e297a121d10a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CostsAndExpenses"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_ac39b416-6ed6-4a8e-a41a-6cb14134f591" xlink:to="loc_us-gaap_CostsAndExpenses_970002e2-4d88-4052-879a-e297a121d10a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_d3a88441-4b3b-4def-adc6-b61538bbc6fa" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_ac39b416-6ed6-4a8e-a41a-6cb14134f591" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_d3a88441-4b3b-4def-adc6-b61538bbc6fa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_b8e9d08d-6577-4935-a221-2d59a39c65cd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Revenues"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_ac39b416-6ed6-4a8e-a41a-6cb14134f591" xlink:to="loc_us-gaap_Revenues_b8e9d08d-6577-4935-a221-2d59a39c65cd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_123f8a5e-a05c-4015-be37-e092797fd8bc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProfitLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_436b0e87-a7f0-4864-97ea-7bafdd529fb4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_123f8a5e-a05c-4015-be37-e092797fd8bc" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_436b0e87-a7f0-4864-97ea-7bafdd529fb4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_ed6aad0c-8190-453a-87b2-147f00a7932e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_123f8a5e-a05c-4015-be37-e092797fd8bc" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_ed6aad0c-8190-453a-87b2-147f00a7932e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_PerformanceFeeRelatedCompensationRelatedToCarriedInterestAllocation_9916a887-e263-488b-a392-e587671a64d2" xlink:href="step-20220930.xsd#step_PerformanceFeeRelatedCompensationRelatedToCarriedInterestAllocation"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_PerformanceFeeRelatedCompensationRelatedToCarriedInterestAllocationUnrealized_7cb123bd-4b62-4d83-9fbc-1e89dedc24a1" xlink:href="step-20220930.xsd#step_PerformanceFeeRelatedCompensationRelatedToCarriedInterestAllocationUnrealized"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_step_PerformanceFeeRelatedCompensationRelatedToCarriedInterestAllocation_9916a887-e263-488b-a392-e587671a64d2" xlink:to="loc_step_PerformanceFeeRelatedCompensationRelatedToCarriedInterestAllocationUnrealized_7cb123bd-4b62-4d83-9fbc-1e89dedc24a1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_PerformanceFeeRelatedCompensationRelatedToCarriedInterestAllocationRealized_f1a9a4d8-d653-4134-b27e-824f6dd41f40" xlink:href="step-20220930.xsd#step_PerformanceFeeRelatedCompensationRelatedToCarriedInterestAllocationRealized"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_step_PerformanceFeeRelatedCompensationRelatedToCarriedInterestAllocation_9916a887-e263-488b-a392-e587671a64d2" xlink:to="loc_step_PerformanceFeeRelatedCompensationRelatedToCarriedInterestAllocationRealized_f1a9a4d8-d653-4134-b27e-824f6dd41f40" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_630ca00d-8777-472a-82e6-f6b4f309b6b5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CostsAndExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_CompensationAndBenefitsExpense_32659281-2065-483d-9975-ca6dc2c37111" xlink:href="step-20220930.xsd#step_CompensationAndBenefitsExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_630ca00d-8777-472a-82e6-f6b4f309b6b5" xlink:to="loc_step_CompensationAndBenefitsExpense_32659281-2065-483d-9975-ca6dc2c37111" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_f3c4c20b-d314-4947-b942-ab168c3fba1e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_630ca00d-8777-472a-82e6-f6b4f309b6b5" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_f3c4c20b-d314-4947-b942-ab168c3fba1e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_6023a05a-1a3c-49dc-8937-6a9418ac42ef" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_509d9346-841f-4511-9eb3-329d7dd98027" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_6023a05a-1a3c-49dc-8937-6a9418ac42ef" xlink:to="loc_us-gaap_ProfitLoss_509d9346-841f-4511-9eb3-329d7dd98027" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_a0d791c7-7683-43e5-98ae-85568d04c94b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_6023a05a-1a3c-49dc-8937-6a9418ac42ef" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_a0d791c7-7683-43e5-98ae-85568d04c94b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_ffbca317-ec04-4853-bf55-eeb2663065fe" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_03ff4c55-1d5e-4f3c-9c6e-16820025d503" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InterestExpense"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_ffbca317-ec04-4853-bf55-eeb2663065fe" xlink:to="loc_us-gaap_InterestExpense_03ff4c55-1d5e-4f3c-9c6e-16820025d503" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_c7618f33-b698-4918-a789-e049ee349a55" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeLossFromEquityMethodInvestments"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_ffbca317-ec04-4853-bf55-eeb2663065fe" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_c7618f33-b698-4918-a789-e049ee349a55" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_51c0fdf0-c92a-4b45-89ed-f7229cb30441" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_ffbca317-ec04-4853-bf55-eeb2663065fe" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_51c0fdf0-c92a-4b45-89ed-f7229cb30441" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeInterest_a2498ab6-eb96-4cfe-95f0-961604eb2ce0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InvestmentIncomeInterest"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_ffbca317-ec04-4853-bf55-eeb2663065fe" xlink:to="loc_us-gaap_InvestmentIncomeInterest_a2498ab6-eb96-4cfe-95f0-961604eb2ce0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_LegacyInvestmentIncome_dac52ada-d238-4dfd-94eb-555e59422cdd" xlink:href="step-20220930.xsd#step_LegacyInvestmentIncome"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_ffbca317-ec04-4853-bf55-eeb2663065fe" xlink:to="loc_step_LegacyInvestmentIncome_dac52ada-d238-4dfd-94eb-555e59422cdd" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.stepstonegroup.com/role/CondensedConsolidatedStatementsofComprehensiveIncomeLossUnaudited" xlink:type="simple" xlink:href="step-20220930.xsd#CondensedConsolidatedStatementsofComprehensiveIncomeLossUnaudited"/>
  <link:calculationLink xlink:role="http://www.stepstonegroup.com/role/CondensedConsolidatedStatementsofComprehensiveIncomeLossUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_9cf1275b-c917-46a0-8fbd-5eca33e9c01a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_a98ecaeb-7118-47c3-ac0d-2edc41e87433" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_9cf1275b-c917-46a0-8fbd-5eca33e9c01a" xlink:to="loc_us-gaap_ProfitLoss_a98ecaeb-7118-47c3-ac0d-2edc41e87433" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_101d721a-a198-4173-8747-7317f3dfe460" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_9cf1275b-c917-46a0-8fbd-5eca33e9c01a" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_101d721a-a198-4173-8747-7317f3dfe460" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_384130ac-9236-4df7-b165-ece43235e496" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_8d722078-432e-4585-b5bd-f0aec78458c4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_384130ac-9236-4df7-b165-ece43235e496" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_8d722078-432e-4585-b5bd-f0aec78458c4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_eb42a3f6-8da6-490a-915a-cfe2f5bdeaad" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_cf444a2b-5ce5-4861-b947-c268934b3a6e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_eb42a3f6-8da6-490a-915a-cfe2f5bdeaad" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_cf444a2b-5ce5-4861-b947-c268934b3a6e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_d6ffd4c6-886e-4311-bfbf-e32a50485ff7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_eb42a3f6-8da6-490a-915a-cfe2f5bdeaad" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_d6ffd4c6-886e-4311-bfbf-e32a50485ff7" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.stepstonegroup.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited" xlink:type="simple" xlink:href="step-20220930.xsd#CondensedConsolidatedStatementsofCashFlowsUnaudited"/>
  <link:calculationLink xlink:role="http://www.stepstonegroup.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_25fc9a41-aac9-48ca-8fa5-96b0ba4aebbf" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_e33c691a-fef2-4662-9bbd-0089dc10f9e7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_25fc9a41-aac9-48ca-8fa5-96b0ba4aebbf" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_e33c691a-fef2-4662-9bbd-0089dc10f9e7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_daafa91c-e044-4b5b-9240-1df68e8fd286" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_25fc9a41-aac9-48ca-8fa5-96b0ba4aebbf" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_daafa91c-e044-4b5b-9240-1df68e8fd286" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_afd8ce78-ffc9-44fa-a640-008d84096080" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_25fc9a41-aac9-48ca-8fa5-96b0ba4aebbf" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_afd8ce78-ffc9-44fa-a640-008d84096080" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_2495a96d-cd78-4f42-a0bd-ca38b7004a29" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_25fc9a41-aac9-48ca-8fa5-96b0ba4aebbf" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_2495a96d-cd78-4f42-a0bd-ca38b7004a29" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_50e57762-9ea6-409d-881f-9e7139c89b5f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCash_65adcd6b-1bbf-427d-a0ce-d2a8ea9ec518" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestrictedCash"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_50e57762-9ea6-409d-881f-9e7139c89b5f" xlink:to="loc_us-gaap_RestrictedCash_65adcd6b-1bbf-427d-a0ce-d2a8ea9ec518" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_66f1127b-bad0-434a-ad4a-095f263b6535" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_50e57762-9ea6-409d-881f-9e7139c89b5f" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_66f1127b-bad0-434a-ad4a-095f263b6535" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_5ea5e891-c1dc-46f6-9fb7-6d61bb2c12b8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital_49e7681a-3517-444d-b68d-f4545ea65d56" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_5ea5e891-c1dc-46f6-9fb7-6d61bb2c12b8" xlink:to="loc_us-gaap_ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital_49e7681a-3517-444d-b68d-f4545ea65d56" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_d497452c-7f45-4d26-8538-ff4be21b07e0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_5ea5e891-c1dc-46f6-9fb7-6d61bb2c12b8" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_d497452c-7f45-4d26-8538-ff4be21b07e0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireEquityMethodInvestments_d8c89212-d8b7-4b5e-85e7-4158220f882d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsToAcquireEquityMethodInvestments"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_5ea5e891-c1dc-46f6-9fb7-6d61bb2c12b8" xlink:to="loc_us-gaap_PaymentsToAcquireEquityMethodInvestments_d8c89212-d8b7-4b5e-85e7-4158220f882d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_b2531509-bc81-4b8d-b11a-08081ee5f697" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_5ea5e891-c1dc-46f6-9fb7-6d61bb2c12b8" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_b2531509-bc81-4b8d-b11a-08081ee5f697" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_fad94cab-415b-4219-ae34-df71c8ca3a49" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_5ea5e891-c1dc-46f6-9fb7-6d61bb2c12b8" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_fad94cab-415b-4219-ae34-df71c8ca3a49" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f6ffefa9-90b8-40df-b81f-944d96551cf8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_87662e0f-b5c3-4dca-af3c-d039d8ce8e50" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredIncomeTaxesAndTaxCredits"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f6ffefa9-90b8-40df-b81f-944d96551cf8" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_87662e0f-b5c3-4dca-af3c-d039d8ce8e50" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities_fd0fe44b-766d-47d2-b600-699b0f58118b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f6ffefa9-90b8-40df-b81f-944d96551cf8" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities_fd0fe44b-766d-47d2-b600-699b0f58118b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_de77bb4c-67ce-422a-9e89-662781e9dac6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f6ffefa9-90b8-40df-b81f-944d96551cf8" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_de77bb4c-67ce-422a-9e89-662781e9dac6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_CarriedInterestAllocationAndInvestmentIncomeUnrealizedGainLoss_4a58f34c-1eb8-431c-9f3f-beb2430a7f95" xlink:href="step-20220930.xsd#step_CarriedInterestAllocationAndInvestmentIncomeUnrealizedGainLoss"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f6ffefa9-90b8-40df-b81f-944d96551cf8" xlink:to="loc_step_CarriedInterestAllocationAndInvestmentIncomeUnrealizedGainLoss_4a58f34c-1eb8-431c-9f3f-beb2430a7f95" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WriteOffOfDeferredDebtIssuanceCost_7d4ba3ec-a97b-4fc8-a558-11095d2edff9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WriteOffOfDeferredDebtIssuanceCost"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f6ffefa9-90b8-40df-b81f-944d96551cf8" xlink:to="loc_us-gaap_WriteOffOfDeferredDebtIssuanceCost_7d4ba3ec-a97b-4fc8-a558-11095d2edff9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_53dcb02d-b239-4007-8868-390d974eeb62" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f6ffefa9-90b8-40df-b81f-944d96551cf8" xlink:to="loc_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_53dcb02d-b239-4007-8868-390d974eeb62" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_IncreaseDecreaseInLeaseRightOfUseAssetsNetOfLeaseLiabilities_6efb0eb1-cbc8-4051-8d99-774ed7f5c99f" xlink:href="step-20220930.xsd#step_IncreaseDecreaseInLeaseRightOfUseAssetsNetOfLeaseLiabilities"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f6ffefa9-90b8-40df-b81f-944d96551cf8" xlink:to="loc_step_IncreaseDecreaseInLeaseRightOfUseAssetsNetOfLeaseLiabilities_6efb0eb1-cbc8-4051-8d99-774ed7f5c99f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_904de46b-d398-4c03-8b66-14b4f0a240ec" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f6ffefa9-90b8-40df-b81f-944d96551cf8" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_904de46b-d398-4c03-8b66-14b4f0a240ec" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_e1c16bfd-e73c-435f-a79e-848e1dca791e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f6ffefa9-90b8-40df-b81f-944d96551cf8" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_e1c16bfd-e73c-435f-a79e-848e1dca791e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_PerformanceFeeRelatedCompensationRelatedToCarriedInterestAllocationUnrealized_6a51eddb-8492-4a77-a27f-a9565111c744" xlink:href="step-20220930.xsd#step_PerformanceFeeRelatedCompensationRelatedToCarriedInterestAllocationUnrealized"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f6ffefa9-90b8-40df-b81f-944d96551cf8" xlink:to="loc_step_PerformanceFeeRelatedCompensationRelatedToCarriedInterestAllocationUnrealized_6a51eddb-8492-4a77-a27f-a9565111c744" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_95faf984-dfaf-4add-819c-cee48cae1aa7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f6ffefa9-90b8-40df-b81f-944d96551cf8" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_95faf984-dfaf-4add-819c-cee48cae1aa7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_IncreaseDecreaseInAccruedCarriedInterestRelatedCompensationPayable_e465449e-2262-4edb-9e47-a7a681a86784" xlink:href="step-20220930.xsd#step_IncreaseDecreaseInAccruedCarriedInterestRelatedCompensationPayable"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f6ffefa9-90b8-40df-b81f-944d96551cf8" xlink:to="loc_step_IncreaseDecreaseInAccruedCarriedInterestRelatedCompensationPayable_e465449e-2262-4edb-9e47-a7a681a86784" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInDueToRelatedParties_46bce822-a79f-4285-83fd-8dd49020cba4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInDueToRelatedParties"/>
    <link:calculationArc order="13" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f6ffefa9-90b8-40df-b81f-944d96551cf8" xlink:to="loc_us-gaap_IncreaseDecreaseInDueToRelatedParties_46bce822-a79f-4285-83fd-8dd49020cba4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_6b79e20f-685b-495f-9450-619dbd4322df" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets"/>
    <link:calculationArc order="14" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f6ffefa9-90b8-40df-b81f-944d96551cf8" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_6b79e20f-685b-495f-9450-619dbd4322df" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_b60e74c8-ee30-4c4d-8465-150c02e5e07e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="15" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f6ffefa9-90b8-40df-b81f-944d96551cf8" xlink:to="loc_us-gaap_ProfitLoss_b60e74c8-ee30-4c4d-8465-150c02e5e07e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_GainLossOnRemeasurementOfLeaseLiabilities_fb4d149f-ae13-471d-984b-54a8499fda91" xlink:href="step-20220930.xsd#step_GainLossOnRemeasurementOfLeaseLiabilities"/>
    <link:calculationArc order="16" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f6ffefa9-90b8-40df-b81f-944d96551cf8" xlink:to="loc_step_GainLossOnRemeasurementOfLeaseLiabilities_fb4d149f-ae13-471d-984b-54a8499fda91" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_8c88bdeb-d10a-484e-82e7-90e0d60ef038" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="17" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f6ffefa9-90b8-40df-b81f-944d96551cf8" xlink:to="loc_us-gaap_ShareBasedCompensation_8c88bdeb-d10a-484e-82e7-90e0d60ef038" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInDueFromRelatedParties_f5dacc6a-9c0a-41d5-8854-2a8f7641cf95" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInDueFromRelatedParties"/>
    <link:calculationArc order="18" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f6ffefa9-90b8-40df-b81f-944d96551cf8" xlink:to="loc_us-gaap_IncreaseDecreaseInDueFromRelatedParties_f5dacc6a-9c0a-41d5-8854-2a8f7641cf95" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0d916048-4254-46ff-b5f9-9e2ad55202f1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsMinorityInterest_6a3e140d-4e59-46a2-8faa-75e05a2e3800" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsOfDividendsMinorityInterest"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0d916048-4254-46ff-b5f9-9e2ad55202f1" xlink:to="loc_us-gaap_PaymentsOfDividendsMinorityInterest_6a3e140d-4e59-46a2-8faa-75e05a2e3800" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermLinesOfCredit_21dc1238-4520-4cc2-a2c2-30871f7da3e0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RepaymentsOfLongTermLinesOfCredit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0d916048-4254-46ff-b5f9-9e2ad55202f1" xlink:to="loc_us-gaap_RepaymentsOfLongTermLinesOfCredit_21dc1238-4520-4cc2-a2c2-30871f7da3e0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_29a03f58-f543-472d-bc34-0226e7cc25f9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsOfDividendsCommonStock"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0d916048-4254-46ff-b5f9-9e2ad55202f1" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_29a03f58-f543-472d-bc34-0226e7cc25f9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_432be269-9434-4f6e-9999-a36540b8039f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0d916048-4254-46ff-b5f9-9e2ad55202f1" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_432be269-9434-4f6e-9999-a36540b8039f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_8b11beeb-6a4a-43cc-829c-97d37acec603" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0d916048-4254-46ff-b5f9-9e2ad55202f1" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_8b11beeb-6a4a-43cc-829c-97d37acec603" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToMinorityShareholders_dfa9748f-a559-436d-8998-cbe7bed7c030" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsToMinorityShareholders"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0d916048-4254-46ff-b5f9-9e2ad55202f1" xlink:to="loc_us-gaap_PaymentsToMinorityShareholders_dfa9748f-a559-436d-8998-cbe7bed7c030" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_PaymentsToRelatedPartiesTaxReceivableAgreements_715424c7-4ce3-4b66-8795-f6f658c8a1dd" xlink:href="step-20220930.xsd#step_PaymentsToRelatedPartiesTaxReceivableAgreements"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0d916048-4254-46ff-b5f9-9e2ad55202f1" xlink:to="loc_step_PaymentsToRelatedPartiesTaxReceivableAgreements_715424c7-4ce3-4b66-8795-f6f658c8a1dd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfFinancingCosts_4e53aa35-6b14-48de-b143-0f4a19f18d22" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsOfFinancingCosts"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0d916048-4254-46ff-b5f9-9e2ad55202f1" xlink:to="loc_us-gaap_PaymentsOfFinancingCosts_4e53aa35-6b14-48de-b143-0f4a19f18d22" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfStockIssuanceCosts_345a27f4-9184-483b-9bc5-a7cf8e569d04" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsOfStockIssuanceCosts"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0d916048-4254-46ff-b5f9-9e2ad55202f1" xlink:to="loc_us-gaap_PaymentsOfStockIssuanceCosts_345a27f4-9184-483b-9bc5-a7cf8e569d04" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_ProceedsFromCapitalContributionsFromNonControllingInterests_c2d53f89-0ca6-49b9-bbbb-aed080bc2c57" xlink:href="step-20220930.xsd#step_ProceedsFromCapitalContributionsFromNonControllingInterests"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0d916048-4254-46ff-b5f9-9e2ad55202f1" xlink:to="loc_step_ProceedsFromCapitalContributionsFromNonControllingInterests_c2d53f89-0ca6-49b9-bbbb-aed080bc2c57" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromLongTermLinesOfCredit_dff18006-d3a3-4f8c-bde0-707a0f838561" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromLongTermLinesOfCredit"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0d916048-4254-46ff-b5f9-9e2ad55202f1" xlink:to="loc_us-gaap_ProceedsFromLongTermLinesOfCredit_dff18006-d3a3-4f8c-bde0-707a0f838561" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.stepstonegroup.com/role/InvestmentsEquityMethodInvestmentsDetails" xlink:type="simple" xlink:href="step-20220930.xsd#InvestmentsEquityMethodInvestmentsDetails"/>
  <link:calculationLink xlink:role="http://www.stepstonegroup.com/role/InvestmentsEquityMethodInvestmentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestments_febeff0e-86c0-42f6-85d4-7dac6dac6dec" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquityMethodInvestments"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_EquityMethodInvestmentsAccruedCarriedInterestAllocations_7308a786-221a-4b77-8960-140e69feded4" xlink:href="step-20220930.xsd#step_EquityMethodInvestmentsAccruedCarriedInterestAllocations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EquityMethodInvestments_febeff0e-86c0-42f6-85d4-7dac6dac6dec" xlink:to="loc_step_EquityMethodInvestmentsAccruedCarriedInterestAllocations_7308a786-221a-4b77-8960-140e69feded4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_EquityMethodInvestmentsExcludingAccruedCarriedInterestAllocations_3e966881-fa84-44c9-9b59-06b43a9e04a5" xlink:href="step-20220930.xsd#step_EquityMethodInvestmentsExcludingAccruedCarriedInterestAllocations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EquityMethodInvestments_febeff0e-86c0-42f6-85d4-7dac6dac6dec" xlink:to="loc_step_EquityMethodInvestmentsExcludingAccruedCarriedInterestAllocations_3e966881-fa84-44c9-9b59-06b43a9e04a5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_LegacyInvestmentsInFundsAndAccruedCarriedInterestAllocations_a1540ba2-5112-47b0-aeb5-4447f6a975e5" xlink:href="step-20220930.xsd#step_LegacyInvestmentsInFundsAndAccruedCarriedInterestAllocations"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EquityMethodInvestments_febeff0e-86c0-42f6-85d4-7dac6dac6dec" xlink:to="loc_step_LegacyInvestmentsInFundsAndAccruedCarriedInterestAllocations_a1540ba2-5112-47b0-aeb5-4447f6a975e5" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.stepstonegroup.com/role/InvestmentsEquityMethodIncomeDetails" xlink:type="simple" xlink:href="step-20220930.xsd#InvestmentsEquityMethodIncomeDetails"/>
  <link:calculationLink xlink:role="http://www.stepstonegroup.com/role/InvestmentsEquityMethodIncomeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_step_RevenueNotFromContractWithCustomerIncomeLossFromEquityMethodInvestmentsAndInvestmentIncome_26d81310-013e-4e82-9ea9-73b1766d514d" xlink:href="step-20220930.xsd#step_RevenueNotFromContractWithCustomerIncomeLossFromEquityMethodInvestmentsAndInvestmentIncome"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_LegacyInvestmentIncome_7e2b4eb1-35f7-4f3f-9440-aab3c870aa2e" xlink:href="step-20220930.xsd#step_LegacyInvestmentIncome"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_step_RevenueNotFromContractWithCustomerIncomeLossFromEquityMethodInvestmentsAndInvestmentIncome_26d81310-013e-4e82-9ea9-73b1766d514d" xlink:to="loc_step_LegacyInvestmentIncome_7e2b4eb1-35f7-4f3f-9440-aab3c870aa2e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_22313258-d91d-456a-bb15-89e1bf851a2c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeLossFromEquityMethodInvestments"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_step_RevenueNotFromContractWithCustomerIncomeLossFromEquityMethodInvestmentsAndInvestmentIncome_26d81310-013e-4e82-9ea9-73b1766d514d" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_22313258-d91d-456a-bb15-89e1bf851a2c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueNotFromContractWithCustomer_095a36c3-5175-49c3-9851-e2bf91d1a4f9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueNotFromContractWithCustomer"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_step_RevenueNotFromContractWithCustomerIncomeLossFromEquityMethodInvestmentsAndInvestmentIncome_26d81310-013e-4e82-9ea9-73b1766d514d" xlink:to="loc_us-gaap_RevenueNotFromContractWithCustomer_095a36c3-5175-49c3-9851-e2bf91d1a4f9" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.stepstonegroup.com/role/FairValueMeasurementsScheduleofFairValueofLiabilitiesDetails" xlink:type="simple" xlink:href="step-20220930.xsd#FairValueMeasurementsScheduleofFairValueofLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.stepstonegroup.com/role/FairValueMeasurementsScheduleofFairValueofLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_bf10880b-3952-47b3-99cf-71977f3b5293" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationLiability_25b37b99-c3af-491a-ab02-362c847a8388" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessCombinationContingentConsiderationLiability"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosure_bf10880b-3952-47b3-99cf-71977f3b5293" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationLiability_25b37b99-c3af-491a-ab02-362c847a8388" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.stepstonegroup.com/role/IntangiblesandGoodwillScheduleofIntangiblesDetails" xlink:type="simple" xlink:href="step-20220930.xsd#IntangiblesandGoodwillScheduleofIntangiblesDetails"/>
  <link:calculationLink xlink:role="http://www.stepstonegroup.com/role/IntangiblesandGoodwillScheduleofIntangiblesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_70af07fe-d49c-4e48-a635-b7d11ee222f5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_87b8c2c1-6ccd-4e74-80fa-755d3b2ef5a4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_70af07fe-d49c-4e48-a635-b7d11ee222f5" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_87b8c2c1-6ccd-4e74-80fa-755d3b2ef5a4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_844359cd-03d3-4bd8-b9b7-ae9d3a503005" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_70af07fe-d49c-4e48-a635-b7d11ee222f5" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_844359cd-03d3-4bd8-b9b7-ae9d3a503005" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.stepstonegroup.com/role/IntangiblesandGoodwillScheduleofIntangibleAssetsFutureAmortizationExpenseDetails" xlink:type="simple" xlink:href="step-20220930.xsd#IntangiblesandGoodwillScheduleofIntangibleAssetsFutureAmortizationExpenseDetails"/>
  <link:calculationLink xlink:role="http://www.stepstonegroup.com/role/IntangiblesandGoodwillScheduleofIntangibleAssetsFutureAmortizationExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_051aed68-246b-4386-b586-edac11a2060c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_5f7fba58-19de-4397-a70d-6e54f850a8e6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_051aed68-246b-4386-b586-edac11a2060c" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_5f7fba58-19de-4397-a70d-6e54f850a8e6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_39390e4a-a9c1-4296-9d69-e163d5d215e4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_051aed68-246b-4386-b586-edac11a2060c" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_39390e4a-a9c1-4296-9d69-e163d5d215e4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_639983eb-a0a4-4392-90f4-64d689972207" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_051aed68-246b-4386-b586-edac11a2060c" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_639983eb-a0a4-4392-90f4-64d689972207" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_ff830bb2-9641-413f-b291-6c5a29a4eb2b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_051aed68-246b-4386-b586-edac11a2060c" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_ff830bb2-9641-413f-b291-6c5a29a4eb2b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_cf18bc1c-6dbc-4ebf-b48c-fe8727a640ac" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_051aed68-246b-4386-b586-edac11a2060c" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_cf18bc1c-6dbc-4ebf-b48c-fe8727a640ac" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour_0529deb7-f836-4950-a469-b61a5b54ba66" xlink:href="step-20220930.xsd#step_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_051aed68-246b-4386-b586-edac11a2060c" xlink:to="loc_step_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour_0529deb7-f836-4950-a469-b61a5b54ba66" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.stepstonegroup.com/role/DebtObligationsDetails" xlink:type="simple" xlink:href="step-20220930.xsd#DebtObligationsDetails"/>
  <link:calculationLink xlink:role="http://www.stepstonegroup.com/role/DebtObligationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_42a569fe-55ca-4679-8e4f-f33df3c6e7fe" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_a5e4b720-59c5-4489-92b5-537f5c7558b0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_42a569fe-55ca-4679-8e4f-f33df3c6e7fe" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_a5e4b720-59c5-4489-92b5-537f5c7558b0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_33b42a8d-d5cd-4afe-a8cb-22ee93ca923f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_42a569fe-55ca-4679-8e4f-f33df3c6e7fe" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_33b42a8d-d5cd-4afe-a8cb-22ee93ca923f" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.stepstonegroup.com/role/EarningsPerShareDetails" xlink:type="simple" xlink:href="step-20220930.xsd#EarningsPerShareDetails"/>
  <link:calculationLink xlink:role="http://www.stepstonegroup.com/role/EarningsPerShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_8108e7a6-3646-4566-b557-280b280f866f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits_e0f23369-a140-42ce-bfbe-fcd3d3293e29" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_8108e7a6-3646-4566-b557-280b280f866f" xlink:to="loc_us-gaap_AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits_e0f23369-a140-42ce-bfbe-fcd3d3293e29" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_82d1320e-49a9-441b-ae1b-0a5cce016651" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_8108e7a6-3646-4566-b557-280b280f866f" xlink:to="loc_us-gaap_NetIncomeLoss_82d1320e-49a9-441b-ae1b-0a5cce016651" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_eb17a4e6-d2ca-4303-9b88-642a5fd63bb9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_52ef4d1b-919b-4845-9937-23cea7b89e17" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_eb17a4e6-d2ca-4303-9b88-642a5fd63bb9" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_52ef4d1b-919b-4845-9937-23cea7b89e17" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_2680b88c-cd1c-478d-b89f-1a2ac23526d7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_eb17a4e6-d2ca-4303-9b88-642a5fd63bb9" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_2680b88c-cd1c-478d-b89f-1a2ac23526d7" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.stepstonegroup.com/role/BusinessCombinationsAggregatePurchasePriceDetails" xlink:type="simple" xlink:href="step-20220930.xsd#BusinessCombinationsAggregatePurchasePriceDetails"/>
  <link:calculationLink xlink:role="http://www.stepstonegroup.com/role/BusinessCombinationsAggregatePurchasePriceDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_532c39fc-5abf-44fc-9713-ef2adca73753" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessCombinationConsiderationTransferred1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred_d89fcdfe-55f8-46f0-9d33-da70be144d57" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationConsiderationTransferred1_532c39fc-5abf-44fc-9713-ef2adca73753" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred_d89fcdfe-55f8-46f0-9d33-da70be144d57" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_f0f9ac8d-72be-46ca-9c50-942e491501be" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationConsiderationTransferred1_532c39fc-5abf-44fc-9713-ef2adca73753" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_f0f9ac8d-72be-46ca-9c50-942e491501be" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesGross_db5f59b7-6446-4471-b4ee-c029e77602e6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsToAcquireBusinessesGross"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationConsiderationTransferred1_532c39fc-5abf-44fc-9713-ef2adca73753" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesGross_db5f59b7-6446-4471-b4ee-c029e77602e6" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.stepstonegroup.com/role/BusinessCombinationsEstimatedFairValuesofAssetsAcquiredandLiabilitiesAssumedDetails" xlink:type="simple" xlink:href="step-20220930.xsd#BusinessCombinationsEstimatedFairValuesofAssetsAcquiredandLiabilitiesAssumedDetails"/>
  <link:calculationLink xlink:role="http://www.stepstonegroup.com/role/BusinessCombinationsEstimatedFairValuesofAssetsAcquiredandLiabilitiesAssumedDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest_c57117dd-66d1-4fcc-91b3-1ff1dde02ed9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLegacyCarriedInterestRelatedCompensation_969b1c26-4ad4-4bb3-9c4d-d96fa548c7de" xlink:href="step-20220930.xsd#step_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLegacyCarriedInterestRelatedCompensation"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest_c57117dd-66d1-4fcc-91b3-1ff1dde02ed9" xlink:to="loc_step_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLegacyCarriedInterestRelatedCompensation_969b1c26-4ad4-4bb3-9c4d-d96fa548c7de" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedExpensesAndOther_e1834a94-188f-4179-90bf-0b43cc64e411" xlink:href="step-20220930.xsd#step_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedExpensesAndOther"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest_c57117dd-66d1-4fcc-91b3-1ff1dde02ed9" xlink:to="loc_step_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedExpensesAndOther_e1834a94-188f-4179-90bf-0b43cc64e411" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLeaseLiabilities_4d617487-3706-47bd-b1a6-9174f4117169" xlink:href="step-20220930.xsd#step_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLeaseLiabilities"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest_c57117dd-66d1-4fcc-91b3-1ff1dde02ed9" xlink:to="loc_step_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLeaseLiabilities_4d617487-3706-47bd-b1a6-9174f4117169" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLeaseRightOfUseAssetsNet_3d5dc424-3024-4be9-885b-7f07b2c9a8e4" xlink:href="step-20220930.xsd#step_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLeaseRightOfUseAssetsNet"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest_c57117dd-66d1-4fcc-91b3-1ff1dde02ed9" xlink:to="loc_step_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLeaseRightOfUseAssetsNet_3d5dc424-3024-4be9-885b-7f07b2c9a8e4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssetsAndReceivables_869a93e2-b483-44e8-a752-834efd960fd2" xlink:href="step-20220930.xsd#step_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssetsAndReceivables"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest_c57117dd-66d1-4fcc-91b3-1ff1dde02ed9" xlink:to="loc_step_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssetsAndReceivables_869a93e2-b483-44e8-a752-834efd960fd2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_29678744-6303-4274-b9f2-1cb9e6cc11bd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest_c57117dd-66d1-4fcc-91b3-1ff1dde02ed9" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_29678744-6303-4274-b9f2-1cb9e6cc11bd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsCashAndReceivables_8b8a3c8c-ab2f-4798-867e-083abb4e9d33" xlink:href="step-20220930.xsd#step_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsCashAndReceivables"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest_c57117dd-66d1-4fcc-91b3-1ff1dde02ed9" xlink:to="loc_step_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsCashAndReceivables_8b8a3c8c-ab2f-4798-867e-083abb4e9d33" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLegacyInvestmentsInFundsAndAccruedCarriedInterestAllocations_9973f4d9-3ad9-4ce5-95fb-1af08464aac4" xlink:href="step-20220930.xsd#step_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLegacyInvestmentsInFundsAndAccruedCarriedInterestAllocations"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest_c57117dd-66d1-4fcc-91b3-1ff1dde02ed9" xlink:to="loc_step_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLegacyInvestmentsInFundsAndAccruedCarriedInterestAllocations_9973f4d9-3ad9-4ce5-95fb-1af08464aac4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue_2fdf4103-6d83-4d5c-a531-bf1dd10d6160" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest_c57117dd-66d1-4fcc-91b3-1ff1dde02ed9" xlink:to="loc_us-gaap_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue_2fdf4103-6d83-4d5c-a531-bf1dd10d6160" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_5322249d-2c7f-48a7-b44f-1b9c51004b57" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest_c57117dd-66d1-4fcc-91b3-1ff1dde02ed9" xlink:to="loc_us-gaap_Goodwill_5322249d-2c7f-48a7-b44f-1b9c51004b57" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_51228819-d3a6-4f55-8a0a-ecb56eeed6fd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest_c57117dd-66d1-4fcc-91b3-1ff1dde02ed9" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_51228819-d3a6-4f55-8a0a-ecb56eeed6fd" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.stepstonegroup.com/role/CommitmentandContingenciesComponentsofLeaseExpenseandSupplementalCashFlowInformationDetails" xlink:type="simple" xlink:href="step-20220930.xsd#CommitmentandContingenciesComponentsofLeaseExpenseandSupplementalCashFlowInformationDetails"/>
  <link:calculationLink xlink:role="http://www.stepstonegroup.com/role/CommitmentandContingenciesComponentsofLeaseExpenseandSupplementalCashFlowInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCost_902fcd26-ba0e-41e5-8430-7c429a55faa9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LeaseCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubleaseIncome_a438d843-c19e-4a3d-99c7-5335d1a9a0cd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubleaseIncome"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_902fcd26-ba0e-41e5-8430-7c429a55faa9" xlink:to="loc_us-gaap_SubleaseIncome_a438d843-c19e-4a3d-99c7-5335d1a9a0cd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseCost_92ad4f0c-6f99-40b1-8521-e5d9c17fb802" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseCost"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_902fcd26-ba0e-41e5-8430-7c429a55faa9" xlink:to="loc_us-gaap_OperatingLeaseCost_92ad4f0c-6f99-40b1-8521-e5d9c17fb802" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableLeaseCost_3d769257-60c7-4804-9bac-e0544918a3dd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VariableLeaseCost"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_902fcd26-ba0e-41e5-8430-7c429a55faa9" xlink:to="loc_us-gaap_VariableLeaseCost_3d769257-60c7-4804-9bac-e0544918a3dd" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.stepstonegroup.com/role/CommitmentandContingenciesOperatingLeaseMaturityDetails" xlink:type="simple" xlink:href="step-20220930.xsd#CommitmentandContingenciesOperatingLeaseMaturityDetails"/>
  <link:calculationLink xlink:role="http://www.stepstonegroup.com/role/CommitmentandContingenciesOperatingLeaseMaturityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_5d0140d3-661c-46e2-aa6f-45a7a35b49ab" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_3beca41f-9ac1-4be7-9609-315d9655ed0b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_5d0140d3-661c-46e2-aa6f-45a7a35b49ab" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_3beca41f-9ac1-4be7-9609-315d9655ed0b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_step_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour_71dc9181-5a41-4412-9d38-dca5d3f9524d" xlink:href="step-20220930.xsd#step_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_5d0140d3-661c-46e2-aa6f-45a7a35b49ab" xlink:to="loc_step_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour_71dc9181-5a41-4412-9d38-dca5d3f9524d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_1f44c235-7160-46b0-9fe6-e0cc392d2caa" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_5d0140d3-661c-46e2-aa6f-45a7a35b49ab" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_1f44c235-7160-46b0-9fe6-e0cc392d2caa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_c160cfcc-7313-405b-a19e-2abca0e9294c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_5d0140d3-661c-46e2-aa6f-45a7a35b49ab" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_c160cfcc-7313-405b-a19e-2abca0e9294c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_2ba78f5d-e0fc-458e-a551-beea2dbe6a12" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_5d0140d3-661c-46e2-aa6f-45a7a35b49ab" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_2ba78f5d-e0fc-458e-a551-beea2dbe6a12" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_eb8e11b7-02dd-427b-a089-11d63b76cdd3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_5d0140d3-661c-46e2-aa6f-45a7a35b49ab" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_eb8e11b7-02dd-427b-a089-11d63b76cdd3" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.stepstonegroup.com/role/CommitmentandContingenciesOperatingLeaseMaturityDetails_1" xlink:type="simple" xlink:href="step-20220930.xsd#CommitmentandContingenciesOperatingLeaseMaturityDetails_1"/>
  <link:calculationLink xlink:role="http://www.stepstonegroup.com/role/CommitmentandContingenciesOperatingLeaseMaturityDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_37f00f6c-18df-4dc9-996f-dc6ddf065f68" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_f31abba6-5123-47c2-bad8-07f9c2a387eb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_37f00f6c-18df-4dc9-996f-dc6ddf065f68" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_f31abba6-5123-47c2-bad8-07f9c2a387eb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_62baf652-4e05-4534-ac8a-756a3340e62f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_37f00f6c-18df-4dc9-996f-dc6ddf065f68" xlink:to="loc_us-gaap_OperatingLeaseLiability_62baf652-4e05-4534-ac8a-756a3340e62f" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
