-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001127602-10-008604.txt : 20100315
<SEC-HEADER>0001127602-10-008604.hdr.sgml : 20100315
<ACCEPTANCE-DATETIME>20100315144243
ACCESSION NUMBER:		0001127602-10-008604
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100311
FILED AS OF DATE:		20100315
DATE AS OF CHANGE:		20100315

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AGILENT TECHNOLOGIES INC
		CENTRAL INDEX KEY:			0001090872
		STANDARD INDUSTRIAL CLASSIFICATION:	INSTRUMENTS FOR MEAS & TESTING OF ELECTRICITY & ELEC SIGNALS [3825]
		IRS NUMBER:				770518772
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1031

	BUSINESS ADDRESS:	
		STREET 1:		5301 STEVENS CREEK BLVD
		CITY:			SANTA CLARA
		STATE:			CA
		ZIP:			95051
		BUSINESS PHONE:		408-345-8647

	MAIL ADDRESS:	
		STREET 1:		5301 STEVENS CREEK BLVD, MS 1A-LC
		STREET 2:		P.O. BOX 58059
		CITY:			SANTA CLARA
		STATE:			CA
		ZIP:			95052-8059

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HP MEASUREMENT INC
		DATE OF NAME CHANGE:	19990716

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SULLIVAN WILLIAM P
		CENTRAL INDEX KEY:			0001142627

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15405
		FILM NUMBER:		10680889

	MAIL ADDRESS:	
		STREET 1:		5301 STEVENS CREEK BLVD
		STREET 2:		MS 1A-LC
		CITY:			SANTA CLARA
		STATE:			CA
		ZIP:			95051
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-03-11</periodOfReport>

    <issuer>
        <issuerCik>0001090872</issuerCik>
        <issuerName>AGILENT TECHNOLOGIES INC</issuerName>
        <issuerTradingSymbol>A</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001142627</rptOwnerCik>
            <rptOwnerName>SULLIVAN WILLIAM P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>5301 STEVENS CREEK BLVD, MS 1A-LC</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SANTA CLARA</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95051</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <officerTitle>President and CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-03-11</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>89262</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>27.16</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>406250</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-03-11</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>89262</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>33.364</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>316988</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-03-11</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>113122</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>19.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>430110</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-03-11</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>113122</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>33.456</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>316988</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>9709.033</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By 401(k) Plan</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>27.16</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2010-03-11</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>89262</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2004-11-18</value>
            </exerciseDate>
            <expirationDate>
                <value>2013-11-17</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>89262</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>19.00</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2010-03-11</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>113122</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2009-11-18</value>
            </exerciseDate>
            <expirationDate>
                <value>2018-11-17</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>113122</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>339366</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The weighted average sales price was $33.364 with a range of $33.265 to $33.50.  The actual sales prices are as follow:  10,800 shares sold at $33.265; 500 shares sold at $33.28; 100 shares sold at $33.285; 100 shares sold at $33.29; 300 shares sold at $33.295; 1,562 shares sold at $33.30; 1,200 shares sold at $33.305; 5,100 shares sold at $33.31; 100 shares sold at $33.315; 6,500 shares sold at $33.32; 10,300 shares sold at $33.325; 1,300 shares sold at $33.328; 100 shares sold at $33.329; 6,598 shares sold at $33.33; 500 shares sold at $33.335; 1,200 shares sold at $33.34; 100 shares sold at $33.345; 500 shares sold at $33.35; 500 shares sold at $33.355; 2,100 shares sold at $33.36; 100 shares sold at $33.365; 100 shares sold at $33.369; 1,400 shares sold at $33.37; 700 shares sold at $33.38; 100 shares sold at $33.385; 800 shares sold at $33.39; 200 shares sold at $33.392; 100 shares sold at $33.395; 2,800 shares sold at $33.40; 2,300 shares sold at $33.41; 100 shares sold at $33
.411; 1,500 shares sold at $33.42; 9,502 shares sold at $33.43; 4,200 shares sold at $33.435; 1,100 shares sold at $33.438; 100 shares sold at $33.439; 6,500 shares sold at $33.44; 1,800 shares sold at $33.45; 2,500 shares sold at $33.455; 1,100 shares sold at $33.46; 100 shares sold at $33.465; 2,100 shares sold at $33.47; 100 shares sold at $33.47; 300 shares sold at $33.49; and 200 shares sold at $33.50.</footnote>
        <footnote id="F2">The weighted average sales price was $33.456 with a range of $33.265 to $33.545.  The actual sales prices are as follow:  100 shares sold at $33.265; 300 shares sold at $33.28; 300 shares sold at $33.30; 100 shares sold at $33.305; 1,100 shares sold at $33.31; 900 shares sold at $33.32; 100 shares sold at $33.325; 1,000 shares sold at $33.33; 100 shares sold at $33.335; 300 shares sold at $33.34; 200 shares sold at $33.35; 200 shares sold at $33.355; 503 shares sold at $33.36; 300 shares sold at $33.365; 800 shares sold at $33.37; 200 shares sold at $33.375; 1,000 shares sold at $33.38; 300 shares sold at $33.385; 2,500 shares sold at $33.39; 600 shares sold at $33.395; 2.900 shares sold at $33.40; 2,400 shares sold at $33.41; 3,600 shares sold at $33.42; 300 shares sold at $33.425; 4,300 shares sold at $33.43; 8,900 shares sold at $33.435; 7,600 shares sold at $33.44; 900 shares sold at $33.445; 3,100 shares sold at $33.45; 900 shares sold at $33.455; 4,000 shares sold at $33.46; 3
00 shares sold at $33.465; 10,600 shares sold at $33.47; 19 shares sold at $33.471; 3,800 shares sold at $33.475; 800 shares sold at $33.477; 11,500 shares sold at $33.48; 200 shares sold at $33.483; 5,900 shares sold at $33.485; 9,700 shares sold at $33.49; 6,600 shares sold at $33.495; 8,200 shares sold at $33.50; 100 shares sold at $33.505; 2,300 shares sold at $33.51; 500 shares sold at $33.515; 1,200 shares sold at $33.52; 100 shares sold at $33.525; 800 shares sold at $33.53; 100 shares sold at $33.535; 400 shares sold at $33.54; and 200 shares sold at $33.545.</footnote>
        <footnote id="F3">The information in this report is based on a plan statement dated March 5, 2010 for the period ending February 28, 2010.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Stephen D. Williams, attorney-in-fact for Mr. Sullivan</signatureName>
        <signatureDate>2010-03-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----