C Paper Sizes
All C paper sizes, formats, information and dimension in mm, cm, m, inches, and pixels. The C category has a total of 11 paper sizes.
| Format | Size (mm) | Size (in) |
|---|---|---|
| C0 | 917 × 1297 mm | 36.1 × 51.1 in |
| C1 | 648 × 917 mm | 25.5 × 36.1 in |
| C2 | 458 × 648 mm | 18.0 × 25.5 in |
| C3 | 324 × 458 mm | 12.8 × 18.0 in |
| C4 | 229 × 324 mm | 9.0 × 12.8 in |
| C5 | 162 × 229 mm | 6.4 × 9.0 in |
| C6 | 114 × 162 mm | 4.5 × 6.4 in |
| C7 | 81 × 114 mm | 3.2 × 4.5 in |
| C8 | 57 × 81 mm | 2.2 × 3.2 in |
| C9 | 40 × 57 mm | 1.6 × 2.2 in |
| C10 | 28 × 40 mm | 1.1 × 1.6 in |
What are C Paper Sizes?
The C series is defined by ISO 269 and is primarily used for envelopes. The dimensions of a C series sheet are the geometric mean of the A and B series sheets of the same number.
Frequently Asked Questions
How are C Paper Sizes dimensions measured?
Standard C Paper Sizes dimensions are officially measured in millimeters and inches. For printing purposes, these physical dimensions can be converted to pixels depending on the desired DPI (dots per inch) resolution.
What is the largest size in the C Paper Sizes category?
The largest size listed in our database for C Paper Sizes is C0, which measures 917 × 1297 mm.
How many sizes are included in the C Paper Sizes standard?
There are currently 11 distinct paper sizes documented in the C Paper Sizes series.
Are C Paper Sizes formats used internationally?
While C Paper Sizes formats may have originated in specific regions or industries, they are often widely recognized and utilized across various specialized printing, packaging, and design workflows globally.
How can I compare C Paper Sizes dimensions with other sizes?
You can use our dedicated Compare tool to visually contrast any C Paper Sizes format against other standard paper sizes, allowing you to see the exact dimensional differences side-by-side.