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<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

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    <periodOfReport>2016-10-05</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001618732</issuerCik>
        <issuerName>Nutanix, Inc.</issuerName>
        <issuerTradingSymbol>NTNX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001334367</rptOwnerCik>
            <rptOwnerName>Long Kenneth W III</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O NUTANIX, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>1740 TECHNOLOGY DRIVE, SUITE 150</rptOwnerStreet2>
            <rptOwnerCity>SAN JOSE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95110</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP, Corporate Controller &amp; CAO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

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            <transactionDate>
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                    <footnoteId id="F1"/>
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        <derivativeTransaction>
            <securityTitle>
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                <value>2016-10-05</value>
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                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
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            <exerciseDate>
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            <expirationDate>
                <value>2024-05-19</value>
            </expirationDate>
            <underlyingSecurity>
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        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (right to buy)</value>
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                <value>2016-10-05</value>
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            <deemedExecutionDate></deemedExecutionDate>
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                <transactionPricePerShare>
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                    <value>100000</value>
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                <directOrIndirectOwnership>
                    <value>D</value>
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        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Units</value>
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                <footnoteId id="F5"/>
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            <transactionDate>
                <value>2016-10-05</value>
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                <footnoteId id="F1"/>
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            <transactionTimeliness>
                <value></value>
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                <transactionShares>
                    <value>70000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
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            <exerciseDate>
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            <expirationDate>
                <footnoteId id="F6"/>
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                    <footnoteId id="F1"/>
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                <underlyingSecurityShares>
                    <value>70000</value>
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                    <value>D</value>
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                <value>Restricted Stock Units</value>
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            <transactionDate>
                <value>2016-10-05</value>
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                <value></value>
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                <transactionShares>
                    <value>70000</value>
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                    <value>A</value>
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            <expirationDate>
                <footnoteId id="F6"/>
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                <underlyingSecurityTitle>
                    <value>Class B Common Stock</value>
                    <footnoteId id="F1"/>
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                    <value>70000</value>
                </underlyingSecurityShares>
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                    <value>70000</value>
                </sharesOwnedFollowingTransaction>
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    <footnotes>
        <footnote id="F1">Each share of common stock was reclassified into one share of Class B common stock immediately prior to the completion of the Issuer's initial public offering of Class A common stock in an exempt transaction pursuant to Rule 16b-7.</footnote>
        <footnote id="F2">Each share of Class B common stock is convertible at any time at the option of the holder into one share of Class A common stock. In addition, each share of Class B common stock will convert automatically into one share of Class A common stock upon (i) the date specified by affirmative vote or written consent of the holders of at least 67% of the outstanding shares of Class B common stock, (ii) any transfer, whether or not for value, subject to certain limited exceptions, (iii) the death of a natural person (including shares held by his or her permitted estate planning entities holding Class B common stock), or (iv) October 5, 2033.</footnote>
        <footnote id="F3">The option is subject to an early exercise provision and is immediately exercisable. One-fourth of the shares subject to the option vested on May 29, 2014 and 1/48th of the shares vest monthly thereafter.</footnote>
        <footnote id="F4">The option is subject to an early exercise provision and is immediately exercisable. Shares subject to the option vest in 36 equal monthly installments beginning on May 1, 2016.</footnote>
        <footnote id="F5">Each restricted stock unit, or RSU, represents a contingent right to receive one share of Issuer common stock.</footnote>
        <footnote id="F6">On April 28, 2017, 13,125 RSUs vest and become issuable and an additional (i) 16,875 RSUs vest in 9 equal quarterly installments beginning on June 15, 2017 and (ii) 40,000 RSUs vest in 16 equal quarterly installments beginning on April 1, 2018.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Olive Huang, by power of attorney</signatureName>
        <signatureDate>2016-10-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
