Check digit calculation of Modulo 10
This is a description of calculating check digits according to Modulo 10. ActiveBarcode calculates this check digits for most codes automatically.
Calculating a check digit according to Modulo 10:
Modulo 10 is used by many barcode symbologies like EAN-13. Here are some examples of how to calculate the check digit according to Modulo 10:
An example of calculation the check digit for an EAN-13 code:
The check digit of Code 25/25I is calculated according to Modulo 10 with a weigthing of 3 from the left. An Example:
The check digits of Ident- and Leitcode are also calculated according to Modulo 10, but with a different weighting. An Example:
One more example of the Modulo 10 check digit. This time for EAN-14 / ITF-14 / SCC-14 / DUN-14 Codes: