Barcode Check Digit Calculator



Calculate GTIN (EAN/UPC) check digit by entering all the numbers that appear under the barcode.

Example: 075678164125 | 6001240720288


Barcode number 0010101010130 has an incorrect check digit.
Corrected Barcode number is 0010101010136.

Check Digit Calculation

Position: 1 2 3 4 5 6 7 8 9 10 11 12 13
Digits: 0 0 1 0 1 0 1 0 1 0 1 3 0
Mutiply digits by: 1 3 1 3 1 3 1 3 1 3 1 3
= 0 0 1 0 1 0 1 0 1 0 1 9
Calculate total sum: 14
Calculate modulo 10: Subtract the sum from nearest equal or higher multiple of ten
=> 20 - 14 = 6 (check digit)
Correct Number: 0 0 1 0 1 0 1 0 1 0 1 3 6

Remarks: