## How do you calculate Gtin?

A Global Trade Item Number (GTIN) is a unique and internationally recognized identifier for a product. When a GTIN is available, it will appear next to the barcode on your product’s packaging or book cover.

## How is Gtin-12 calculated?

The data encoded inside a UPC barcode is known as the GTIN-12….Check Digit

- Add all of the ODD positions (1,3,5,7,9,11)
- Multiply value from Step 1 by 3.
- Add all of the EVEN positions (2,4,6,8,10)
- Add value from STEP 2 and STEP 3 together.
- Determine what number is needed to make value from STEP 4 into a multiple of 10.

**How are barcode numbers calculated?**

The final digit of a Universal Product Code is a check digit computed as follows:

- Add the digits in the odd-numbered positions from the right (first, third, fifth, etc.
- Add the digits (up to but not including the check digit) in the even-numbered positions (second, fourth, sixth, etc.) to the result.

**How do I convert UPC to Gtin?**

A UPC is either a standard, 12-digit UPC-A or an 8-digit UPC-E. A simple process is used to convert either type of UPC to a GTIN by adding zeroes to pad the number. Write down the UPC. For example, 036121163003 is the 12-digit UPC-A from a bottle of Finish Line Cross Country Synthetic Bicycle Lubricant.

### How do you set up a GTIN-14?

Building the GTIN-14

- Assign an Indicator Digit between numbers 1 – 8.
- Follow with your GS1 Company Prefix.
- Assign your Item Reference Number.
- Calculate your Check Digit.

### What is the difference between GTIN 13 and GTIN-14?

GTIN-13 (EAN/UCC-13): this is a 13-digit number used predominately outside of North America. GTIN-14 (EAN/UCC-14 or ITF-14): this is a 14-digit number used to identify trade items at various packaging levels.

**How do you convert UPC to Gtin-14?**

- Step 1: Locate the U.P.C. Number on the product.
- 6 1.
- Step 2: Covert the U.P.C. to a 14-Digit Format.
- 6 1.
- Step 3: Insert the 14-Digit Formatted data into a GS1 DataBar Stacked Omnidirectional symbol (for loose Produce)
- 6 1.
- Step 4: Convert the GTIN-12 to a GTIN-14 data structure for the Case Level.
- 6 1.

**Is UPC same as GTIN?**

Technically, there is no difference between a GTIN vs UPC because they are one and the same. Likewise, UPC, EAN, and ISBN are all GTINs. That’s because a GTIN is the number encoded into either a UPC, EAN, or ISBN barcode. There are three types of GTINs: GTIN-12 (UPC), GTIN-13 (EAN), and an ISBN.

## Is GTIN the same as SKU?

GTIN (Global Trade Item Number) is an international identifier that doesn’t change from manufacturer to distributor to storefront. SKU is an identifying series of numbers and letters that can change depending on which business is inventorying the product.