of course there is an on-line resource!
http://www.gs1.com/productssolutions/idkeys/support/check_digit_calculator.html
--- Earl Wertheimer <[EMAIL PROTECTED]> wrote:
> Carl
>
>
=MOD(10-MOD(SUMPRODUCT(--(MID(E3,{1,3,5,7,9,11},1)))*3+SUMPRODUCT(--
> (MID(E3,{2,4,6,8,10},1))),10),10)
>
> is the formula for the UPC checkdigit (12 digits)
>
> Just add digits 12 & 13 (to the even/odd sections)
>
>
=MOD(10-MOD(SUMPRODUCT(--(MID(E3,{1,3,5,7,9,11,13},1)))*3+SUMPRODUCT(--
> (MID(E3,{2,4,6,8,10,12},1))),10),10)
>
> There are probably some on-line tools that you can
> use to check the
> calculation...
>
>
>
> To: [email protected]
> From: "cmcmillan3" <[EMAIL PROTECTED]>
> Date sent: Thu, 01 Jun 2006 12:56:23 -0000
> Subject: [EDI-L] GTIN Generated from UPC
>
> > Does anyone have a tool or know the math to create
> a GTIN based on a
> > UPC code? I had a little utitlity that did this
> in Excel but I cannot
> > find it. I need to create 3 GTIN's and am going
> crazy.
> > Any help is appreciated.
> > -Carl
> >
> >
> >
> >
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> Earl Wertheimer
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