C5 paper size
C5 is part of the ISO C range (ISO 216). Commonly used for envelope for folded A4.
C5 dimensions
162 × 229 mm
6.378 × 9.016 inches · 16.2 × 22.9 cm ·
aspect ratio 1:1.414
All units
| Unit | Width | Height |
|---|---|---|
| Millimetres | 162 | 229 |
| Centimetres | 16.2 | 22.9 |
| Inches | 6.378 | 9.016 |
| Points (PostScript) | 459.2 | 649.1 |
Pixel dimensions by resolution
Pixels are not a property of the paper — they depend on the resolution you print at. Build the document at the size you will actually output.
| Resolution | Pixels (W × H) | Use for |
|---|---|---|
| 72 DPI | 459 × 649 | Screen and web only |
| 96 DPI | 612 × 866 | Windows screen default |
| 150 DPI | 957 × 1,352 | Draft and home printing |
| 300 DPI | 1,913 × 2,705 | Standard for commercial print and print-on-demand |
| 600 DPI | 3,827 × 5,409 | Fine art and high-detail line work |
300 DPI is the number you want in almost every case. Print-on-demand services, Etsy printables and commercial printers all expect it. Exporting at 72 DPI and enlarging does not add detail — it just prints the same pixels bigger and softer.
Other ISO C sizes
| Size | mm | inches | px at 300 DPI |
|---|---|---|---|
| C4 | 229 × 324 | 9.02 × 12.76 | 2,705 × 3,827 |
| C6 | 114 × 162 | 4.49 × 6.38 | 1,346 × 1,913 |
| DL | 110 × 220 | 4.33 × 8.66 | 1,299 × 2,598 |
Common questions
What size is C5 in millimetres?
C5 is 162 × 229 mm.
What size is C5 in inches?
6.378 × 9.016 inches, which is 16.2 × 22.9 cm.
How many pixels is C5 at 300 DPI?
1,913 × 2,705 pixels. That is the canvas size to use for anything going to a commercial printer. For screen-only use, 72 DPI gives 459 × 649 px.
What is C5 used for?
Envelope for folded A4.