-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
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 D77VQkPoFVtzbD7MQmLkWA==

<SEC-DOCUMENT>0001209191-11-005866.txt : 20110131
<SEC-HEADER>0001209191-11-005866.hdr.sgml : 20110131
<ACCEPTANCE-DATETIME>20110131191920
ACCESSION NUMBER:		0001209191-11-005866
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20110127
FILED AS OF DATE:		20110131
DATE AS OF CHANGE:		20110131

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BlackRock Inc.
		CENTRAL INDEX KEY:			0001364742
		STANDARD INDUSTRIAL CLASSIFICATION:	SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211]
		IRS NUMBER:				320174431
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0226

	BUSINESS ADDRESS:	
		STREET 1:		55 EAST 52ND STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10055
		BUSINESS PHONE:		212-810-5300

	MAIL ADDRESS:	
		STREET 1:		55 EAST 52ND STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10055

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BlackRock, Inc.
		DATE OF NAME CHANGE:	20060929

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	New BlackRock, Inc.
		DATE OF NAME CHANGE:	20060601

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WAGNER SUSAN
		CENTRAL INDEX KEY:			0001059235

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33099
		FILM NUMBER:		11561053

	MAIL ADDRESS:	
		STREET 1:		C/O BLACKROCK, INC.
		STREET 2:		40 EAST 52ND STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2011-01-27</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001364742</issuerCik>
        <issuerName>BlackRock Inc.</issuerName>
        <issuerTradingSymbol>BLK</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001059235</rptOwnerCik>
            <rptOwnerName>WAGNER SUSAN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>BLACKROCK, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>55 EAST 52ND STREET</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10055</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Vice Chairman</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Shares of Common Stock (par value $0.01 per share)</value>
            </securityTitle>
            <transactionDate>
                <value>2011-01-27</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>11913</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>525616.8</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Shares of Common Stock (par value $0.01 per share)</value>
            </securityTitle>
            <transactionDate>
                <value>2011-01-27</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>13098</value>
                    <footnoteId id="F3"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>538714.8</value>
                    <footnoteId id="F4"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Shares of Restricted Stock granted under the Amended and Restated BlackRock, Inc. 1999 Stock Award and Incentive Plan (the &quot;Incentive Plan&quot;) as part of the reporting person's bonus and approved by the Management Development and Compensation Committee of the Board of Directors for the 2010 fiscal year under the Amended and Restated 1999 Annual Incentive Performance Plan. The number of shares of Restricted Stock was determined by dividing the approved dollar value of the equity award by $200.405, which was the average of the high and low price per share of Common Stock on January 27, 2011. This formula was approved by the Management Development and Compensation Committee on January 18, 2011. Shares of Restricted Stock vest in installments on 1/31/12, 1/31/13 and 1/31/14.</footnote>
        <footnote id="F2">Includes (i) 2,968 Restricted Stock Units vesting on 1/31/11, (ii) 7,854 Restricted Stock Units vesting in equal installments on 1/31/11 and 1/31/12, (iii) 7,600 shares of Restricted Stock vesting in installments on 1/31/11, 1/31/12 and 1/31/13, (iv) 6,000 shares of Restricted Stock vesting on 1/31/11, (v) 4,001 shares of Restricted Stock vesting on 1/31/12, (vi) 8,893 Restricted Stock Units vesting on 9/29/11 and (vii) 11,913 shares of Restricted Stock vesting in installments on 1/31/12, 1/31/13 and 1/31/14. Each Restricted Stock Unit is payable solely by delivery of an equal number of shares of Common Stock.</footnote>
        <footnote id="F3">The Reporting Person also received a 3 year grant of shares of Restricted Stock under the Incentive Plan with a vesting date of 1/31/14.  The grant was approved by the Management Development and Compensation Committee of the Board of Directors. The number of shares of Restricted Stock was determined by dividing the approved dollar value of the equity award by $200.405, which was the average of the high and low price per share of Common Stock on January 27, 2011. This formula was approved by the Management Development and Compensation Committee on January 18, 2011.</footnote>
        <footnote id="F4">Includes (i) 2,968 Restricted Stock Units vesting on 1/31/11, (ii) 7,854 Restricted Stock Units vesting in equal installments on 1/31/11 and 1/31/12, (iii) 7,600 shares of Restricted Stock vesting in installments on 1/31/11, 1/31/12 and 1/31/13, (iv) 6,000 shares of Restricted Stock vesting on 1/31/11, (v) 4,001 shares of Restricted Stock vesting on 1/31/12, (vi) 8,893 Restricted Stock Units vesting on 9/29/11, (vii) 11,913 shares of Restricted Stock vesting in installments on 1/31/12, 1/31/13 and 1/31/14 and (viii) 13,098 shares of Restricted Stock vesting on 1/31/14. Each Restricted Stock Unit is payable solely by delivery of an equal number of shares of Common Stock.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Daniel R. Waltcher as Attorney-in-Fact for Susan Wagner</signatureName>
        <signatureDate>2011-01-31</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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