# gtin13 - Schema.org Property

> Source: https://schema.org/gtin13
> Extracted: 2026-02-16T18:45:40.760Z

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The GTIN-13 code of the product, or the product to which the offer refers. This is equivalent to 13-digit ISBN codes and EAN UCC-13. Former 12-digit UPC codes can be converted into a GTIN-13 code by simply adding a preceding zero. See [GS1 GTIN Summary](http://www.gs1.org/barcodes/technical/idkeys/gtin) for more details.

### Values expected to be one of these types

`-   [Text](https://schema.org/Text "Text")`

### Acknowledgements

GoodRelations Vocabulary Terms

This term [uses](https://blog.schema.org/2012/11/08/good-relations-and-schema-org/) terminology from the GoodRelations Vocabulary for E-Commerce, created by Martin Hepp. GoodRelations is a data model for sharing e-commerce data on the Web. More information about GoodRelations can be found at [http://purl.org/goodrelations/](http://purl.org/goodrelations/).