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Check Digit Calculator
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Check Digit Calculator

barcode Check DigitThe last digit of a bar code number is a computer check digit which makes sure the bar code is correctly composed. This page contains the following information:

GTIN Check Digit Calculator

ID Key Format
Item Reference
(without check digit)
 
Check
Digit
GTIN Format
 
GTIN-8
(Enter 7 digits)
GTIN-12
(Enter 11 digits)
GTIN-13
(Enter 12 digits)
GTIN-14
(Enter 13 digits)


SSCC Check Digit Calculator

ID Key Format
Item Reference
(without check digit)
 
Check
Digit
 
SSCC
(Enter 17 digits)

 

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