Check Digit Calculator

How to calculate a barcode check digit

You can use this form to calculate the check digit (final digit) for a GS1 identification number such as a barcode number (GTIN), a Global Location Number (GLN), a Serial Shipping Container Code (SSCC) or a Global Service Relationship Number (GSRN). Simply enter your prefix and chosen item reference digits in the left box and click the Calculate button. Your complete GS1 number will appear in the right hand box. 

Online Barcode Manager Tool

Did you know you can now allocate, store and manage your product barcode numbers quickly and easily online with Barcode Manager? With Barcode Manager you'll never need to use the Check Digit Calculator again and the system will automatically allocate the next available number in your bank.

Speak to our Membership Services Team now on 01 208 0660 to find out about uploading your existing barcode numbers today.

Enquire about Barcode Manager

GTIN 13 Your complete number is:
GTIN 14 Your complete number is:
SSCC Your complete number is:
GTIN (UPC) 12 Your complete number is: