Barcode Label Size Reference
Standard label sizes for product barcodes, inventory tags, asset labels, and shipping labels. Use the table below as a starting point, then verify your printer's supported sizes.
| Label Size | Millimetres | Common Use | Barcode Types |
|---|---|---|---|
| 1″ × 1″ | 25.4 × 25.4 | Small product tags, component labels | Code 128, QR |
| 1.5″ × 1″ | 38.1 × 25.4 | Retail product labels | Code 128, UPC-E |
| 2″ × 1″ | 50.8 × 25.4 | Shelf labels, small inventory | Code 128, EAN-13 |
| 2.625″ × 1″ | 66.7 × 25.4 | Avery 5160, 30-up sheet | Code 128, UPC-A |
| 3″ × 1″ | 76.2 × 25.4 | Inventory, asset tracking | Code 128, Code 39 |
| 3″ × 2″ | 76.2 × 50.8 | Product labels, asset tags | All types |
| 4″ × 2″ | 101.6 × 50.8 | Avery 5163, 10-up sheet | All types |
| 4″ × 3″ | 101.6 × 76.2 | Shipping, warehouse rack | All types, QR |
| 4″ × 6″ | 101.6 × 152.4 | Carrier shipping labels | All types |
| 4″ × 8″ | 101.6 × 203.2 | Large rack labels, pallet tags | All types |
| 100 × 150 mm | 100 × 150 | International shipping (A6) | All types |
Labels Per Sheet Calculator
Enter your sheet and label dimensions to calculate how many labels fit per page.
Page size
Label size
Page margins
Gaps between labels
Columns
3
Rows
10
Labels / sheet
30
Minimum print sizes — how small can a barcode go?
Every format has a floor below which scanners start missing. These are the floors that matter for labels:
| Barcode | Smallest reliable print | Notes |
|---|---|---|
| UPC-A (retail) | 37.3 × 25.9 mm nominal; ≈29.8 mm wide minimum (80% magnification) | Quiet zones 9× the narrowest bar each side (≈3.0 mm at full size). Below 80%, use UPC-E if the number qualifies. |
| EAN-13 (retail) | Same dimensions as UPC-A; 80–200% magnification | Quiet zones ≈3.63 mm left / 2.31 mm right. Do not crop the guard bars. |
| Code 128 (internal) | No fixed nominal; keep the narrowest bar ≥0.25 mm (≈10 mil) and bars ≥12 mm tall | Quiet zone at least 10× the narrowest bar each side. Fine for SKUs and bin locations — never for retail GTINs. |
| QR code | 10 × 10 mm for short values at arm's-length scanning; larger as data grows | Keep a quiet zone of 4 modules on all sides. Test-scan after any size change. |
Minimums are floors, not targets. If a label size forces a retail barcode below its floor, the answer is a bigger label or a different code — not a smaller barcode.
How to Choose the Right Label Size
Work backwards from the barcode, not the label. 1) Start with the code: retail products need UPC-A/EAN-13 at 80% magnification or larger — about 29.8 mm of barcode width plus quiet zones, so the label must be wider than that before any text is added. 2) Add the human layer: product name, SKU, lot or location text needs its own space; if the text crowds the quiet zones, go up a size. 3) Check the sheet or roll: match the label size to a stock you can actually buy and your printer can feed — the calculator above works out how many fit per sheet. 4) Test at the real distance: a bin label scanned from a metre away needs a bigger code than a product label scanned at a till, even with the same data.
Lay out a label at one of these sizesFrequently Asked Questions
Related Tools
Next step
Know your size? Make the label: lay out your barcode at that size with the free barcode label generator, or calculate labels per sheet for your stock.