## How is GTIN-14 check digit calculated?

Table of Contents

## How is GTIN-14 check digit calculated?

- GTIN-8.
- GTIN-12.
- GTIN-13.
- GTIN-14.
- SSCC.
- STEP 1: Multiply value of each position by.
- STEP 2: Add results together to create sum.
- STEP 3: Subtract the sum from the nearest equal or higher multiple of ten = CHECK DIGIT.

**What is check digit in GTIN?**

The last digit of a barcode is called a “check digit”. A check digit ensures that the barcode is correctly composed. To calculate your check digit, use our easy calculator below. Simply enter the first numbers for the barcode you wish to create a check digit. GTIN-12 (UPC-12):

### How is ISBN 13 check digit calculated?

ISBN-13 check digit is calculated by Modulus 10 with alternate weights of 1 and 3 on the first 12 digits. Example: 978030640615? 9×1 + 7×3 + 8×1 + 0×3 + 3×1 + 0×3 + 6×1 + 4×3 + 0×1 + 6×3 + 1×1 + 5×3 = 93. 93 / 10 = 9 remainder 3 .

**How do you convert UPC to GTIN 14?**

Add two leading zeroes to the UPC-A to obtain a 14-digit GTIN. The GTIN for the bottle of bicycle lubricant is then 00036121163003. Add six leading zeroes to the UPC-E to obtain a 14-digit GTIN. The GTIN for the can of beer is then 00000001801624.

## What is a check digit calculator?

The last digit of a barcode number is a calculated check digit. The check digit is calculated from all the other numbers in the barcode and helps to confirm the integrity of your barcode number. Simply enter the ID Number below and the Check Digit Calculator will calculate the last digit for you.

**How do I get a GTIN 14 barcode?**

Click here to sign up for our GS1 Barcode Service. The 14-digit string encoded in an ITF-14 is referred to as a GTIN-14. If you already have a GTIN-14 number, enter the first 13 digits into the site. The site will calculate the check digit – the 14th digit – automatically.

### How is UPC GTIN calculated?

**Where is the ISBN 13 check digit?**

How The ISBN Check Digit Is Calculated

- Take the first 12 digits of the 13-digit ISBN.
- Multiply each number in turn, from left to right by a number.
- Add all of the 12 answers.
- Do a modulo 10 division on the result from step 2.
- Take that remainder result from step 4.