ISO A-series reference
A4 paper size in pixels, mm and inches
A4 is exactly 210 × 297 mm. Choose orientation and PPI to calculate its exact and nearest whole-pixel dimensions.
A4 quick answer
What size is A4 in pixels?
A4 is 210 × 297 mm, 21 × 29.7 cm, or approximately 8.27 × 11.69 inches.
At 300 PPI, portrait A4 rounds to 2480 × 3508 pixels; landscape reverses the pair to 3508 × 2480 pixels.
Pixels = millimetres ÷ 25.4 × PPI. Pixel dimensions change with PPI, while the physical A4 size stays fixed.
Immediate pixel reference
A4 — pixels at common PPI values
Pixel dimensions depend on PPI. These portrait and landscape values use the format's exact physical dimensions and round only the final result to the nearest whole pixel.
| PPI | Portrait pixels | Landscape pixels |
|---|---|---|
| 72 | 595 × 842 px | 842 × 595 px |
| 96 | 794 × 1123 px | 1123 × 794 px |
| 150 | 1240 × 1754 px | 1754 × 1240 px |
| 300 | 2480 × 3508 px | 3508 × 2480 px |
| 600 | 4961 × 7016 px | 7016 × 4961 px |
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.