Paper Size Calculator
Get dimensions and pixel sizes for A4, Letter, A3 and other paper formats at any DPI.
Pixels at selected DPI
2480 × 3508 px
Breakdown
- Millimeters
- 210 × 297 mm
- Inches
- 8.3 × 11.7 in
Last updated:
FAQ
What is A4 in pixels at 300 DPI?
A4 (210 × 297 mm) is 2480 × 3508 pixels at 300 DPI — the standard for print-quality documents.
Why is Letter different from A4?
Letter (8.5 × 11 in) is the North American standard, while A4 comes from the international ISO 216 system based on √2 ratios.
How do mm become pixels?
Divide millimeters by 25.4 to get inches, then multiply by DPI — the number of dots per inch the device renders.
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