Print dimensions without guesswork

Paper size in pixels

Choose a standard paper format, orientation and PPI. See exact rational pixel dimensions and deterministic nearest whole-pixel values.

Quick pixel chart

Common paper sizes in pixels

Compare A3, A4, A5, US Letter and US Legal at three common PPI values before entering a custom value in the calculator.

Format	Physical size	96 PPI	150 PPI	300 PPI
A3	297 × 420 mm	1123 × 1587 px	1754 × 2480 px	3508 × 4961 px
A4	210 × 297 mm	794 × 1123 px	1240 × 1754 px	2480 × 3508 px
A5	148 × 210 mm	559 × 794 px	874 × 1240 px	1748 × 2480 px
US Letter	215.9 × 279.4 mm	816 × 1056 px	1275 × 1650 px	2550 × 3300 px
US Legal	215.9 × 355.6 mm	816 × 1344 px	1275 × 2100 px	2550 × 4200 px

Values are portrait width × height, calculated from each format's exact physical dimensions and rounded only at the final pixel. Reverse the pair for landscape.

Frontend-only exact arithmetic

Paper and resolution

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Calculated sheet

A4 · 300 PPI

mm: 210 × 297
cm: 21 × 29.7
in: 8.2677 × 11.6929
Nearest whole pixels: 2480 × 3508 px

Exact pixel dimensions

315000/127 × 445500/127 px

Decimal display: 2480.315 × 3507.874 px pixels = tenthsMm × PPI / 254

Scale comparison with A4

The silhouettes share one physical scale. They are a visual comparison, not a print preview.