Barcode & QR
UPC Check Digit Calculator
Calculate UPC-A and UPC-E check digits online.
Tool
About this Tool
Use this free UPC check digit calculator to compute or verify UPC barcodes.
Examples
- 03600029145
- 12345678901
Frequently Asked Questions
What is a UPC check digit?
The final digit used to validate a UPC barcode.
Which UPC formats are supported?
UPC-A and UPC-E.
Why is it important?
It helps detect data entry errors.