UK A3 Paper Size
297 x 420 mm
What is UK A3?
A UK A3 sheet of paper measures 297 × 420 mm, which equals 11.69 × 16.54 inches or 3508 × 4961 pixels at 300 DPI.
UK A3 — All Units
| Units | Width × Height |
|---|---|
| Metric | |
| mm — Millimeter | 297 × 420 |
| cm — Centimeter | 29.7 × 42 |
| dm — Decimeter | 2.97 × 4.2 |
| m — Meter | 0.297 × 0.42 |
| km — Kilometer | 0.000297 × 0.00042 |
| µm — Micrometer | 297,000 × 420,000 |
| nm — Nanometer | 297,000,000 × 420,000,000 |
| Imperial | |
| in — Inch | 11.69 × 16.54 |
| ft — Foot | 0.974 × 1.378 |
| yd — Yard | 0.3248 × 0.4593 |
| mi — Mile | 0.000185 × 0.000261 |
| nmi — Nautical Mile | 0.00016 × 0.000227 |
| hand — Hand | 2.923 × 4.134 |
| bc — Barleycorn | 35.0787 × 49.6063 |
| Typography | |
| pt — Point (PostScript) | 841.9 × 1,190.6 |
| pc — Pica (PostScript) | 70.157 × 99.213 |
| twip — Twip | 16,837.8 × 23,811.02 |
| Didot pt — Point (Didot) | 789.953 × 1,117.106 |
| Didot pc — Pica (Didot) | 65.829 × 93.092 |
| cicero — Cicero | 65.829 × 93.092 |
| Digital / Pixel | |
| css px — CSS Pixel (96 PPI) | 1,122.5 × 1,587.4 |
| px@72 — Pixel @ 72 PPI | 841.9 × 1,190.6 |
| px@96 — Pixel @ 96 PPI | 1,122.5 × 1,587.4 |
| px@150 — Pixel @ 150 PPI | 1,753.9 × 2,480.3 |
| px@300 — Pixel @ 300 PPI (print) | 3,507.9 × 4,960.6 |
| px@600 — Pixel @ 600 PPI (high-res) | 7,015.7 × 9,921.3 |
| px@1200 — Pixel @ 1200 PPI (ultra) | 14,031.5 × 19,842.5 |
| Relative Typography | |
| em — Em (12pt base) | 70.157 × 99.213 |
| en — En (12pt base) | 140.315 × 198.425 |
| Area | 124740 mm² |
| Aspect ratio | 1 : 1.4141 |
US Envelope Paper Sizes — View all →
Frequently Asked Questions
What is UK A3 in inches?
UK A3 = 11.69 × 16.54 in
What is UK A3 in millimeters?
UK A3 = 297 × 420 mm
What is UK A3 in centimeters?
UK A3 = 29.7 × 42 cm
What is UK A3 in pixels at 300 DPI?
UK A3 = 3508 × 4961 px @300 DPI