Free Upc Code Check Digit Generator. 63 + 7 = 70. Do not omit leading zeros.
From the right to the left, start with odd position, assign the odd/even position to each digit. The only difference is where the readable digits are located. We created this tool as a free service for people that already own a valid gs1 upc code, or for people that think they might need a code and need to design the upc into their product packaging.
Take all the digits in odd positions, add them and multiply by three;
Useful in creating applications, a check digit calculator, a qr code generator, and now, even a mobile site! 48 + 15 = 63. The site is constantly being developed, so be sure to. The check digit is calculated from all the other numbers in the barcode and helps to confirm the integrity of your barcode number.