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| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_638448393557778600" xlink:to="us-gaap_ProfitLoss_638448393557778600" order="1" use="optional" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="ung-20231231.xsd#ung_UnrealizedGainLossOpenSwapContracts" xlink:label="ung_UnrealizedGainLossOpenSwapContracts_638448393557788606"/> |
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| | <loc xlink:type="locator" xlink:href="ung-20231231.xsd#ung_IncreaseDecreaseInProfessionalFeesPayable" xlink:label="ung_IncreaseDecreaseInProfessionalFeesPayable_638448393557788606"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_638448393557778600" xlink:to="ung_IncreaseDecreaseInProfessionalFeesPayable_638448393557788606" order="3" use="optional" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="ung-20231231.xsd#ung_IncreaseDecreaseInPayableDueToBroker" xlink:label="ung_IncreaseDecreaseInPayableDueToBroker_638448393557788606"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_638448393557778600" xlink:to="ung_IncreaseDecreaseInPayableDueToBroker_638448393557788606" order="4" use="optional" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_UnrealizedGainLossOnDerivativesAndCommodityContracts" xlink:label="us-gaap_UnrealizedGainLossOnDerivativesAndCommodityContracts_638448393557788606"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_638448393557778600" xlink:to="us-gaap_UnrealizedGainLossOnDerivativesAndCommodityContracts_638448393557788606" order="5" use="optional" weight="-1" priority="1"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInDividendsReceivable" xlink:label="us-gaap_IncreaseDecreaseInDividendsReceivable_638448393557788606"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_638448393557778600" xlink:to="us-gaap_IncreaseDecreaseInDividendsReceivable_638448393557788606" order="6" use="optional" weight="-1"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet" xlink:label="us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet_638448393557788606"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_638448393557778600" xlink:to="us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet_638448393557788606" order="7" use="optional" weight="-1"/> |
| | <loc xlink:type="locator" xlink:href="ung-20231231.xsd#ung_IncreaseDecreaseInPrepaidInsuranceOperatingActivities" xlink:label="ung_IncreaseDecreaseInPrepaidInsuranceOperatingActivities_638448393557788606"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_638448393557778600" xlink:to="ung_IncreaseDecreaseInPrepaidInsuranceOperatingActivities_638448393557788606" order="8" use="optional" weight="-1" priority="2"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInPrepaidExpense" xlink:label="us-gaap_IncreaseDecreaseInPrepaidExpense_638448393557788606"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_638448393557778600" xlink:to="us-gaap_IncreaseDecreaseInPrepaidExpense_638448393557788606" order="9" use="optional" weight="-1" priority="1"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInOtherReceivables" xlink:label="us-gaap_IncreaseDecreaseInOtherReceivables_638448393557788606"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_638448393557778600" xlink:to="us-gaap_IncreaseDecreaseInOtherReceivables_638448393557788606" order="10" use="optional" weight="-1"/> |
| | <loc xlink:type="locator" xlink:href="ung-20231231.xsd#ung_IncreaseDecreaseManagementFeesPayable" xlink:label="ung_IncreaseDecreaseManagementFeesPayable_638448393557798599"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_638448393557778600" xlink:to="ung_IncreaseDecreaseManagementFeesPayable_638448393557798599" order="11" use="optional" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="ung-20231231.xsd#ung_IncreaseDecreaseInBrokerageCommissionsPayable" xlink:label="ung_IncreaseDecreaseInBrokerageCommissionsPayable_638448393557798599"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_638448393557778600" xlink:to="ung_IncreaseDecreaseInBrokerageCommissionsPayable_638448393557798599" order="12" use="optional" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="ung-20231231.xsd#ung_IncreaseDecreaseInLicenseFeesPayable" xlink:label="ung_IncreaseDecreaseInLicenseFeesPayable_638448393557798599"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_638448393557778600" xlink:to="ung_IncreaseDecreaseInLicenseFeesPayable_638448393557798599" order="13" use="optional" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInDueToRelatedParties" xlink:label="us-gaap_IncreaseDecreaseInDueToRelatedParties_638448393557798599"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_638448393557778600" xlink:to="us-gaap_IncreaseDecreaseInDueToRelatedParties_638448393557798599" order="14" use="optional" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="ung-20231231.xsd#ung_IncreaseDecreaseInDirectorsFeesPayable" xlink:label="ung_IncreaseDecreaseInDirectorsFeesPayable_638448393557798599"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities_638448393557778600" xlink:to="ung_IncreaseDecreaseInDirectorsFeesPayable_638448393557798599" order="15" use="optional" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_638448393557798599"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities_638448393557798599" order="2" use="optional" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromPartnershipContribution" xlink:label="us-gaap_ProceedsFromPartnershipContribution_638448393557798599"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities_638448393557798599" xlink:to="us-gaap_ProceedsFromPartnershipContribution_638448393557798599" order="1" use="optional" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="ung-20231231.xsd#ung_PaymentsToPartnershipRedemption" xlink:label="ung_PaymentsToPartnershipRedemption_638448393557808598"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities_638448393557798599" xlink:to="ung_PaymentsToPartnershipRedemption_638448393557808598" order="2" use="optional" weight="-1"/> |
| | </calculationLink> |
| <calculationLink xlink:role="http://www.unitedstatesnaturalgasfund.com/role/StatementStatementsOfCashFlowsParenthetical" xlink:type="extended" xlink:title="00505 - Statement - Statements of Cash Flows (Parenthetical)"> |
| | <loc xlink:type="locator" xlink:href="ung-20231231.xsd#ung_CashAndCashEquivalentsInEquityInTradingAccounts" xlink:label="ung_CashAndCashEquivalentsInEquityInTradingAccounts"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_638448393557808598"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ung_CashAndCashEquivalentsInEquityInTradingAccounts" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_638448393557808598" order="1" use="optional" weight="1"/> |
| | <loc xlink:type="locator" xlink:href="ung-20231231.xsd#ung_CashAndCashEquivalentsInTradingAccounts" xlink:label="ung_CashAndCashEquivalentsInTradingAccounts_638448393557808598"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ung_CashAndCashEquivalentsInEquityInTradingAccounts" xlink:to="ung_CashAndCashEquivalentsInTradingAccounts_638448393557808598" order="2" use="optional" weight="1" priority="2"/> |
| | </calculationLink> |
| <calculationLink xlink:role="http://www.unitedstatesnaturalgasfund.com/role/DisclosureFinancialHighlightsDetails" xlink:type="extended" xlink:title="40601 - Disclosure - FINANCIAL HIGHLIGHTS (Details)"> |
| | <loc xlink:type="locator" xlink:href="ung-20231231.xsd#ung_IncreaseDecreaseInNetAssetValuePerUnit" xlink:label="ung_IncreaseDecreaseInNetAssetValuePerUnit"/> |
| | <loc xlink:type="locator" xlink:href="ung-20231231.xsd#ung_TotalExpensesPerUnit" xlink:label="ung_TotalExpensesPerUnit_638448393557808598"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ung_IncreaseDecreaseInNetAssetValuePerUnit" xlink:to="ung_TotalExpensesPerUnit_638448393557808598" order="1" use="optional" weight="-1"/> |
| | <loc xlink:type="locator" xlink:href="ung-20231231.xsd#ung_TotalIncomeLossPerUnit" xlink:label="ung_TotalIncomeLossPerUnit_638448393557808598"/> |
| | <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ung_IncreaseDecreaseInNetAssetValuePerUnit" xlink:to="ung_TotalIncomeLossPerUnit_638448393557808598" order="2" use="optional" weight="-1"/> |
| | </calculationLink> |
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