A desirable feature is that left-padding with zeros should not change the check digit. The software that creates product codes is responsible for verification of the code and its check digits. How to use the check digit calculator – example Let’s check what is the barcode check digit of the fictitious code Check Digit Calculator can be embedded on your website to enrich the content you wrote and make it easier for your visitors to understand your message. Wikimedia Commons has media related to Check digit. For instance, the UPC-A barcode for a box of tissues is “”. What is a check digit?

gtin check digit calculator

Uploader: Mezimuro
Date Added: 18 September 2011
File Size: 6.61 Mb
Operating Systems: Windows NT/2000/XP/2003/2003/7/8/10 MacOS 10/X
Downloads: 29664
Price: Free* [*Free Regsitration Required]

Check Digit Calculator – Free from Bar Code Graphics

Axicon Auto ID is a world leader in barcode verification, having developed and manufactured our own range of verifiers since This is a 17 digit number.

What is a check digit? A check digit is a form of redundancy check used for error detection on identification numbers, such as bank account numbers, which are used in an application where they will at least sometimes be input manually.

gtin check digit calculator

Archived from the original on By using this site, you agree to the Terms of Use and Privacy Policy. They are widely used nowadays, e. Whether you are just starting out or have been assigning UPCs for years, it is The digit the farthest to the right which is multiplied by 1 is the check digit, chosen to make the sum correct.


Mod 10 check digits – formula To calculate the check digit of e.

calcjlator April Learn how and when to remove this template message. Were you able to find the information you were looking for on our website?

Check digit

This free check digit calculator is provided by Bar Code Graphics, Inc. This allows variable length digits to be used and the length to be changed. GS1 identification keys GS1 ID Keys give companies efficient ways to access information about items in their digt chains, and share this information with trading partners.

Place a leading zero in front of it, and then use the SSCC check digit calculator. A desirable feature is that left-padding with zeros gfin not change the check digit.

gtin check digit calculator

Access the GS1 General Specifications Which of the following best describes the primary purpose of your visit? Try to find it yourself with our check digit calculator! Check who owns a barcode.

gtin check digit calculator

Who owns this barcode? The final digit of the result is subtracted from 10 to calculate the check digit or left as-is if already zero.


Please help improve this section by adding citations to reliable sources. In other projects Wikimedia Commons.

Click on the image below to view a tutorial video. Identification Numbers and Check Digit Schemes. Diigit GS1 identifiers also need a check digit to complete them, and this calculator can also provide these for the following GS1 keys. So, what’s the meaning of the digits in the barcode? How does the check digit calculator work?

Check digit – Wikipedia

Views Read Edit View history. This section does not cite any sources. It may need to have the value 10, which is represented as the letter X. The check digit is calculated from all the preceding digits, and it is used by any scanning system to check that the number scanned in from a barcode is correct. Systems with weights of 1, 3, 7, or 9, with the weights on difit numbers being different, are widely used: Multiply the value of each position by the weight from the table.

GTIN-8, you need to: