C Format Paper Size
135 x 216 mm
What is C Format?
A C Format sheet of paper measures 135 × 216 mm, which equals 5.31 × 8.5 inches or 1594 × 2551 pixels at 300 DPI.
C Format — All Units
| Units | Width × Height |
|---|---|
| Metric | |
| mm — Millimeter | 135 × 216 |
| cm — Centimeter | 13.5 × 21.6 |
| dm — Decimeter | 1.35 × 2.16 |
| m — Meter | 0.135 × 0.216 |
| km — Kilometer | 0.000135 × 0.000216 |
| µm — Micrometer | 135,000 × 216,000 |
| nm — Nanometer | 135,000,000 × 216,000,000 |
| Imperial | |
| in — Inch | 5.31 × 8.5 |
| ft — Foot | 0.443 × 0.709 |
| yd — Yard | 0.1476 × 0.2362 |
| mi — Mile | 0.000084 × 0.000134 |
| nmi — Nautical Mile | 0.000073 × 0.000117 |
| hand — Hand | 1.329 × 2.126 |
| bc — Barleycorn | 15.9449 × 25.5118 |
| Typography | |
| pt — Point (PostScript) | 382.7 × 612.3 |
| pc — Pica (PostScript) | 31.89 × 51.024 |
| twip — Twip | 7,653.54 × 12,245.67 |
| Didot pt — Point (Didot) | 359.07 × 574.512 |
| Didot pc — Pica (Didot) | 29.922 × 47.876 |
| cicero — Cicero | 29.922 × 47.876 |
| Digital / Pixel | |
| css px — CSS Pixel (96 PPI) | 510.2 × 816.4 |
| px@72 — Pixel @ 72 PPI | 382.7 × 612.3 |
| px@96 — Pixel @ 96 PPI | 510.2 × 816.4 |
| px@150 — Pixel @ 150 PPI | 797.2 × 1,275.6 |
| px@300 — Pixel @ 300 PPI (print) | 1,594.5 × 2,551.2 |
| px@600 — Pixel @ 600 PPI (high-res) | 3,189 × 5,102.4 |
| px@1200 — Pixel @ 1200 PPI (ultra) | 6,378 × 10,204.7 |
| Relative Typography | |
| em — Em (12pt base) | 31.89 × 51.024 |
| en — En (12pt base) | 63.78 × 102.047 |
| Area | 29160 mm² |
| Aspect ratio | 1 : 1.6 |
US Envelope Paper Sizes — View all →
Frequently Asked Questions
What is C Format in inches?
C Format = 5.31 × 8.5 in
What is C Format in millimeters?
C Format = 135 × 216 mm
What is C Format in centimeters?
C Format = 13.5 × 21.6 cm
What is C Format in pixels at 300 DPI?
C Format = 1594 × 2551 px @300 DPI