UPC and GTIN-14 sit at different levels of packaging. Here’s when each applies.
UPC: the consumer unit
The UPC on a retail item identifies that single sellable unit. It’s what shoppers and marketplaces use.
For online listings, this is the number you need.
GTIN-14: the packaging level
A GTIN-14 represents a case or carton of units and is carried in an ITF-14 barcode for warehouse and retail logistics.
You only need it when shipping cases to retailers that require case codes.
Which do you need?
Selling individual units online: just the UPC. Shipping cases to large retailers: add a GTIN-14/ITF-14.
They coexist — UPC on the item, GTIN-14 on the case.
Frequently Asked Questions
Is GTIN-14 the same as my UPC?
No — it’s a case-level code built from your product number.
Do online sellers need GTIN-14?
Usually not — only for case shipments to retailers.
How is GTIN-14 displayed?
As an ITF-14 barcode on cartons.
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