SRA1 Paper Size
640 x 900 mm
What is SRA1?
A SRA1 sheet of paper measures 640 × 900 mm, which equals 25.2 × 35.43 inches or 7559 × 10630 pixels at 300 DPI.
SRA1 — All Units
| Units | Width × Height |
|---|---|
| Metric | |
| mm — Millimeter | 640 × 900 |
| cm — Centimeter | 64 × 90 |
| dm — Decimeter | 6.4 × 9 |
| m — Meter | 0.64 × 0.9 |
| km — Kilometer | 0.00064 × 0.0009 |
| µm — Micrometer | 640,000 × 900,000 |
| nm — Nanometer | 640,000,000 × 900,000,000 |
| Imperial | |
| in — Inch | 25.2 × 35.43 |
| ft — Foot | 2.1 × 2.953 |
| yd — Yard | 0.6999 × 0.9843 |
| mi — Mile | 0.000398 × 0.000559 |
| nmi — Nautical Mile | 0.000346 × 0.000486 |
| hand — Hand | 6.299 × 8.858 |
| bc — Barleycorn | 75.5905 × 106.2992 |
| Typography | |
| pt — Point (PostScript) | 1,814.2 × 2,551.2 |
| pc — Pica (PostScript) | 151.181 × 212.598 |
| twip — Twip | 36,283.46 × 51,023.62 |
| Didot pt — Point (Didot) | 1,702.257 × 2,393.798 |
| Didot pc — Pica (Didot) | 141.854 × 199.483 |
| cicero — Cicero | 141.854 × 199.483 |
| Digital / Pixel | |
| css px — CSS Pixel (96 PPI) | 2,418.9 × 3,401.6 |
| px@72 — Pixel @ 72 PPI | 1,814.2 × 2,551.2 |
| px@96 — Pixel @ 96 PPI | 2,418.9 × 3,401.6 |
| px@150 — Pixel @ 150 PPI | 3,779.5 × 5,315 |
| px@300 — Pixel @ 300 PPI (print) | 7,559.1 × 10,629.9 |
| px@600 — Pixel @ 600 PPI (high-res) | 15,118.1 × 21,259.8 |
| px@1200 — Pixel @ 1200 PPI (ultra) | 30,236.2 × 42,519.7 |
| Relative Typography | |
| em — Em (12pt base) | 151.181 × 212.598 |
| en — En (12pt base) | 302.362 × 425.197 |
| Area | 576000 mm² |
| Aspect ratio | 1 : 1.4063 |
US Envelope Paper Sizes — View all →
Frequently Asked Questions
What is SRA1 in inches?
SRA1 = 25.2 × 35.43 in
What is SRA1 in millimeters?
SRA1 = 640 × 900 mm
What is SRA1 in centimeters?
SRA1 = 64 × 90 cm
What is SRA1 in pixels at 300 DPI?
SRA1 = 7559 × 10630 px @300 DPI