A4 Paper Size
210 x 297 mm
What is A4?
A A4 sheet of paper measures 210 × 297 mm, which equals 8.27 × 11.69 inches or 2480 × 3508 pixels at 300 DPI.
A4 — All Units
| Units | Width × Height |
|---|---|
| Metric | |
| mm — Millimeter | 210 × 297 |
| cm — Centimeter | 21 × 29.7 |
| dm — Decimeter | 2.1 × 2.97 |
| m — Meter | 0.21 × 0.297 |
| km — Kilometer | 0.00021 × 0.000297 |
| µm — Micrometer | 210,000 × 297,000 |
| nm — Nanometer | 210,000,000 × 297,000,000 |
| Imperial | |
| in — Inch | 8.27 × 11.69 |
| ft — Foot | 0.689 × 0.974 |
| yd — Yard | 0.2297 × 0.3248 |
| mi — Mile | 0.00013 × 0.000185 |
| nmi — Nautical Mile | 0.000113 × 0.00016 |
| hand — Hand | 2.067 × 2.923 |
| bc — Barleycorn | 24.8031 × 35.0787 |
| Typography | |
| pt — Point (PostScript) | 595.3 × 841.9 |
| pc — Pica (PostScript) | 49.606 × 70.157 |
| twip — Twip | 11,905.51 × 16,837.8 |
| Didot pt — Point (Didot) | 558.553 × 789.953 |
| Didot pc — Pica (Didot) | 46.546 × 65.829 |
| cicero — Cicero | 46.546 × 65.829 |
| Digital / Pixel | |
| css px — CSS Pixel (96 PPI) | 793.7 × 1,122.5 |
| px@72 — Pixel @ 72 PPI | 595.3 × 841.9 |
| px@96 — Pixel @ 96 PPI | 793.7 × 1,122.5 |
| px@150 — Pixel @ 150 PPI | 1,240.2 × 1,753.9 |
| px@300 — Pixel @ 300 PPI (print) | 2,480.3 × 3,507.9 |
| px@600 — Pixel @ 600 PPI (high-res) | 4,960.6 × 7,015.7 |
| px@1200 — Pixel @ 1200 PPI (ultra) | 9,921.3 × 14,031.5 |
| Relative Typography | |
| em — Em (12pt base) | 49.606 × 70.157 |
| en — En (12pt base) | 99.213 × 140.315 |
| Area | 62370 mm² |
| Aspect ratio | 1 : 1.4143 |
US Envelope Paper Sizes — View all →
Frequently Asked Questions
What is A4 in inches?
A4 = 8.27 × 11.69 in
What is A4 in millimeters?
A4 = 210 × 297 mm
What is A4 in centimeters?
A4 = 21 × 29.7 cm
What is A4 in pixels at 300 DPI?
A4 = 2480 × 3508 px @300 DPI