Barcode & QR
UPC Check Digit Calculator
Calculate UPC-A and UPC-E check digits online.
Tool
UPC Check Digit Calculator
Calculate UPC-A and UPC-E check digits online.
This tool runs in your browser. Your input is processed locally and is not uploaded.
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.