GS1 DataBar Stacked
The two-row stacked DataBar — 14-digit GTIN in a square-ish footprint for fresh produce stickers.
GS1 DataBar Stacked Specification
| Character set | Digits 0-9 only (GTIN content) |
| Data length | Exactly 14 digits (13 data + Mod 10 check) |
| Check digit | Mandatory Mod 10 check digit |
| Density | 14 digits in 50×26 modules (two stacked rows plus separator) |
| Module width (X-dimension) | 0.25-0.50 mm typical; small stickers often run 0.25 mm X |
| Print ratio | Variable-width bars and spaces |
| Magnification | X-dimension 0.25 mm minimum for POS scanning |
| Quiet zone | 1X recommended around the whole stacked symbol |
| Standard | GS1 General Specifications |
| Origin | GS1 (as RSS-14 Stacked, renamed 2007), 2001 |
| Sample data | (01)09521234543213 |
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What Is GS1 DataBar Stacked?
GS1 DataBar Stacked is DataBar Omnidirectional folded in half: the 96-module symbol is split into two 50-module rows stacked with a one-module separator, halving the width to 50 modules. It carries the same 13 data digits plus Mod 10 check digit and preserves omnidirectional POS scannability in a roughly square footprint.
That shape is tuned for the stickers on loose produce — apples, avocados, tomatoes — where a long EAN-13-style symbol has no room but a compact square fits. Produce PLU stickers traditionally carried a four- or five-digit lookup number; DataBar Stacked lets them carry the full GTIN plus (in the Expanded Stacked variant) weight and origin data, enabling item-level scanning at checkout.
Common Applications
- Fresh produce stickers and labels
- Small-item POS marking in near-square footprints
- Loose goods identification at checkout
Related Barcode Types
The full-height 14-digit GS1 DataBar that scans from any angle at retail POS — successor to EAN/UPC for tiny items.
The variable-length DataBar carrying GTIN plus extra AI data — weights, dates, lot numbers — on fresh food.
The 13-digit retail point-of-sale barcode used on consumer products worldwide outside North America.
GS1 DataBar Stacked FAQ
DataBar Stacked vs Stacked Omnidirectional vs Expanded Stacked — what is the difference?
DataBar Stacked is the plain two-row GTIN-only symbol described here (officially "DataBar Stacked Omnidirectional" when height meets the full 13-module rows). Expanded Stacked is the same folding applied to variable-length Expanded data. In GS1's current naming, "DataBar Stacked" generally implies the omnidirectional-height version for POS use.
Can a produce sticker carry a DataBar Stacked?
Yes — that is its flagship application. At 0.25 mm X the symbol is about 13×7 mm plus margins, fitting standard produce sticker sizes. Some retailers now scan GTINs from stickers instead of keying PLU codes, and GS1's produce guidance promotes exactly this path.