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Check Digit Calculator


The 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
- SSCC Check Digit Calculator

GTIN Check Digit Calculator
ID Key Format Item Reference
(without Check Digit)		 Check Digit GTIN Format  
GTIN-8
Formerly EAN-8
Enter 7 digits
 
GTIN-12
Formerly UPC-A
Enter 11 digits
 
GTIN-13
Formerly EAN 13
Enter 12 digits
 
GTIN-14
Formerly ITF 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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