One reliable reference
Paper sizes chart
Compare ISO A0–A10 with Letter, Legal and Tabloid in millimetres and inches, then open any format in the pixel calculator.
Frontend-only exact arithmetic
Paper and resolution
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 pxpixels = tenthsMm × PPI / 254Scale comparison with A4
The silhouettes share one physical scale. They are a visual comparison, not a print preview.
Finite standards catalog
ISO and North American paper formats
ISO A-series values are integer millimetres. Letter, Legal and Tabloid retain their exact inch-defined decimal millimetres.
| Format | mm | in |
|---|---|---|
| A0 | 841 × 1189 | 33.1102 × 46.811 |
| A1 | 594 × 841 | 23.3858 × 33.1102 |
| A2 | 420 × 594 | 16.5354 × 23.3858 |
| A3 | 297 × 420 | 11.6929 × 16.5354 |
| A4 | 210 × 297 | 8.2677 × 11.6929 |
| A5 | 148 × 210 | 5.8268 × 8.2677 |
| A6 | 105 × 148 | 4.1339 × 5.8268 |
| A7 | 74 × 105 | 2.9134 × 4.1339 |
| A8 | 52 × 74 | 2.0472 × 2.9134 |
| A9 | 37 × 52 | 1.4567 × 2.0472 |
| A10 | 26 × 37 | 1.0236 × 1.4567 |
| US Letter | 215.9 × 279.4 | 8.5 × 11 |
| US Legal | 215.9 × 355.6 | 8.5 × 14 |
| Tabloid | 279.4 × 431.8 | 11 × 17 |