A9 Paper Size
37 x 52 mm
What is A9?
A A9 sheet of paper measures 37 × 52 mm, which equals 1.46 × 2.05 inches or 437 × 614 pixels at 300 DPI.
A9 — All Units
| Units | Width × Height |
|---|---|
| Metric | |
| mm — Millimeter | 37 × 52 |
| cm — Centimeter | 3.7 × 5.2 |
| dm — Decimeter | 0.37 × 0.52 |
| m — Meter | 0.037 × 0.052 |
| km — Kilometer | 0.000037 × 0.000052 |
| µm — Micrometer | 37,000 × 52,000 |
| nm — Nanometer | 37,000,000 × 52,000,000 |
| Imperial | |
| in — Inch | 1.46 × 2.05 |
| ft — Foot | 0.121 × 0.171 |
| yd — Yard | 0.0405 × 0.0569 |
| mi — Mile | 0.000023 × 0.000032 |
| nmi — Nautical Mile | 0.00002 × 0.000028 |
| hand — Hand | 0.364 × 0.512 |
| bc — Barleycorn | 4.3701 × 6.1417 |
| Typography | |
| pt — Point (PostScript) | 104.9 × 147.4 |
| pc — Pica (PostScript) | 8.74 × 12.283 |
| twip — Twip | 2,097.64 × 2,948.03 |
| Didot pt — Point (Didot) | 98.412 × 138.308 |
| Didot pc — Pica (Didot) | 8.201 × 11.526 |
| cicero — Cicero | 8.201 × 11.526 |
| Digital / Pixel | |
| css px — CSS Pixel (96 PPI) | 139.8 × 196.5 |
| px@72 — Pixel @ 72 PPI | 104.9 × 147.4 |
| px@96 — Pixel @ 96 PPI | 139.8 × 196.5 |
| px@150 — Pixel @ 150 PPI | 218.5 × 307.1 |
| px@300 — Pixel @ 300 PPI (print) | 437 × 614.2 |
| px@600 — Pixel @ 600 PPI (high-res) | 874 × 1,228.3 |
| px@1200 — Pixel @ 1200 PPI (ultra) | 1,748 × 2,456.7 |
| Relative Typography | |
| em — Em (12pt base) | 8.74 × 12.283 |
| en — En (12pt base) | 17.48 × 24.567 |
| Area | 1924 mm² |
| Aspect ratio | 1 : 1.4054 |
US Envelope Paper Sizes — View all →
Frequently Asked Questions
What is A9 in inches?
A9 = 1.46 × 2.05 in
What is A9 in millimeters?
A9 = 37 × 52 mm
What is A9 in centimeters?
A9 = 3.7 × 5.2 cm
What is A9 in pixels at 300 DPI?
A9 = 437 × 614 px @300 DPI