C4 Paper Size
229 x 324 mm
What is C4?
A C4 sheet of paper measures 229 × 324 mm, which equals 9.02 × 12.76 inches or 2705 × 3827 pixels at 300 DPI.
C4 — All Units
| Units | Width × Height |
|---|---|
| Metric | |
| mm — Millimeter | 229 × 324 |
| cm — Centimeter | 22.9 × 32.4 |
| dm — Decimeter | 2.29 × 3.24 |
| m — Meter | 0.229 × 0.324 |
| km — Kilometer | 0.000229 × 0.000324 |
| µm — Micrometer | 229,000 × 324,000 |
| nm — Nanometer | 229,000,000 × 324,000,000 |
| Imperial | |
| in — Inch | 9.02 × 12.76 |
| ft — Foot | 0.751 × 1.063 |
| yd — Yard | 0.2504 × 0.3543 |
| mi — Mile | 0.000142 × 0.000201 |
| nmi — Nautical Mile | 0.000124 × 0.000175 |
| hand — Hand | 2.254 × 3.189 |
| bc — Barleycorn | 27.0472 × 38.2677 |
| Typography | |
| pt — Point (PostScript) | 649.1 × 918.4 |
| pc — Pica (PostScript) | 54.094 × 76.535 |
| twip — Twip | 12,982.68 × 18,368.5 |
| Didot pt — Point (Didot) | 609.089 × 861.767 |
| Didot pc — Pica (Didot) | 50.757 × 71.814 |
| cicero — Cicero | 50.757 × 71.814 |
| Digital / Pixel | |
| css px — CSS Pixel (96 PPI) | 865.5 × 1,224.6 |
| px@72 — Pixel @ 72 PPI | 649.1 × 918.4 |
| px@96 — Pixel @ 96 PPI | 865.5 × 1,224.6 |
| px@150 — Pixel @ 150 PPI | 1,352.4 × 1,913.4 |
| px@300 — Pixel @ 300 PPI (print) | 2,704.7 × 3,826.8 |
| px@600 — Pixel @ 600 PPI (high-res) | 5,409.4 × 7,653.5 |
| px@1200 — Pixel @ 1200 PPI (ultra) | 10,818.9 × 15,307.1 |
| Relative Typography | |
| em — Em (12pt base) | 54.094 × 76.535 |
| en — En (12pt base) | 108.189 × 153.071 |
| Area | 74196 mm² |
| Aspect ratio | 1 : 1.4148 |
US Envelope Paper Sizes — View all →
Frequently Asked Questions
What is C4 in inches?
C4 = 9.02 × 12.76 in
What is C4 in millimeters?
C4 = 229 × 324 mm
What is C4 in centimeters?
C4 = 22.9 × 32.4 cm
What is C4 in pixels at 300 DPI?
C4 = 2705 × 3827 px @300 DPI