# Stock Keeping Unit (SKU)

*Last updated: 2026-06-22*

> Unlike the manufacturer-assigned GTIN (Global Trade Item Number), which identifies a product globally, a Stock Keeping Unit (SKU) is a company-internal alphanumeric code assigned to a specific product variant.

Unlike the manufacturer-assigned GTIN (Global Trade Item Number), which identifies a product globally, a Stock Keeping Unit (SKU) is a company-internal alphanumeric code assigned to a specific product variant. Warehouse operators and logistics providers define their own SKUs to manage inventory levels, control picking workflows, and track goods movements within a warehouse management system (WMS). A single GTIN can map to multiple SKUs – for instance, when the same article is stocked in different colours, sizes, or pack quantities. A well-structured SKU system underpins accurate slot allocation, error-free order picking, and reliable inventory reporting.

**Source:** [https://en.wikipedia.org/wiki/Stock-keeping_unit](https://en.wikipedia.org/wiki/Stock-keeping_unit)

## Quick Facts

| Property | Value |
|---|---|
| Term | Stock Keeping Unit (SKU) |
| Language | EN |
| Word count | 94 |
| Last updated | 2026-06-22 |
| Source | https://en.wikipedia.org/wiki/Stock-keeping_unit |

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