Label sizing and dimensions
Standard label sizes in inches
The inch sizes buyers ask for by name — 2x2, 2.5x3, 3x4, 4x6 — what each is used for, their metric equivalents, and when a custom size costs more.
Updated 2026-11 · Written and reviewed by the Custom Stickers Printing team, operated by Yiwu Dingwei Trading Company · Editorial standards
Buyers often ask for a “standard size” as though one existed. It does not: no standard governs label dimensions. What exists is a short list of sizes that are asked for so often that printers keep a die for them — and that is what makes them cheaper.
If one of these fits your container, use it. If none does, the custom size is a small part of the total cost.
The common sizes
| Size (in) | Size (mm) | Typical use |
|---|---|---|
| 1 × 3 | 25.4 × 76.2 | Neck labels, slim bottle panels |
| 1.5 × 1.5 | 38.1 × 38.1 | Small jar lids, sample seals |
| 2 × 2 | 50.8 × 50.8 | 4 oz jars, favours, logo stickers |
| 2 × 3 | 50.8 × 76.2 | Small bottles, lip balm multipacks |
| 2.5 × 3 | 63.5 × 76.2 | 8 oz jars, ingredient panels |
| 3 × 3 | 76.2 × 76.2 | 12 oz jars, candle tins |
| 3 × 4 | 76.2 × 101.6 | 250 ml bottles, pouches |
| 3.5 × 5 | 88.9 × 127 | 500 ml bottles, larger jars |
| 4 × 4 | 101.6 × 101.6 | 16 oz jars, carton faces |
| 4 × 6 | 101.6 × 152.4 | Shipping and carton labels |
| 5 × 7 | 127 × 177.8 | Large cartons, poly mailers |
| 6 × 6 | 152.4 × 152.4 | Boxes, large-format stickers |
Circles follow the same logic: 1 in (25 mm), 1.5 in (38 mm), 2 in (51 mm), 2.5 in (63 mm), 3 in (76 mm), 4 in (102 mm).
Why standard sizes are cheaper
Three reasons, and only the first is about material:
- The die exists. A custom shape needs a steel rule die above a few hundred units, or a plotter path at low volume. A standard size needs neither.
- The cut path is known. No artwork setup to draw and check a dieline, which is usually a line item on a small order.
- Sheets and rolls are laid out for it. Imposition is more efficient when the size matches a standard sheet division.
On a 50-unit order, a custom size can add 20–40% to the unit price through setup alone. On 5,000 units, the difference is noise.
Metric buyers and inch sizes
If you work in millimetres, the inch list converts to awkward numbers. Two practical approaches:
- Order the metric round number — 50 × 75 mm instead of 50.8 × 76.2 mm. The 0.8 mm difference is invisible on a 50 mm label and avoids a conversion error in the artwork.
- Keep the inch size but set up the file in mm — 2 × 3 in becomes a 50.8 × 76.2 mm document with the artwork built to those numbers, not to 50 × 76.
The error to avoid is building the artwork at a rounded size and cutting at the exact one: the design shifts by a fraction of a millimetre on every edge, which matters most where a border or a rule sits near the trim.
When to go custom
A custom size is worth the setup when:
- The container is not close to any standard size and a standard label would look either cramped or lost.
- The label has to carry mandatory text that does not fit in the nearest standard dimension.
- The shape is part of the brand — a contour cut, a tag shape, a die-cut window.
- The quantity is high enough that the die cost amortises: above roughly 500 units for a simple shape.
The reverse is also true: at 50 units, a standard size plus better artwork usually beats a custom die on both cost and speed.
What this means for buyers
Ask for the nearest standard size before asking for a custom one. The saving is real, and most containers are within a few millimetres of a common size.
Convert deliberately. 25.4 mm per inch, and decide once whether the artwork is built to the exact or the rounded dimension.
Do not assume “standard” means regulated. It means commonly stocked. Ask which die exists rather than which size is “standard”.
Custom is a volume decision. Below a few hundred units, the die is a large share of the order.
Quick answers
What is 2.5 x 3 inches in millimetres?
63.5 by 76.2 mm. Multiply inches by 25.4. A 2.5 by 3 inch label is a common address and ingredient panel size, and it is usually available from an existing die with no setup charge.
Are standard label sizes actually standard?
No. There is no regulation and no universal list. The sizes below are the ones buyers and printers in the US and UK ask for by name, and the ones most likely to have a die on the shelf. Treat them as common, not official.
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