C Format
Dimensions: 135 × 216 mm (5.31 × 8.5 in)
C Format measures 135 × 216 mm (5.31 × 8.50 in) and belongs to the Books Paper Sizes standard. It is commonly used for book and booklet interiors.
What size is C Format paper?
An C Format piece of paper measures 135 × 216 mm or 5.31 × 8.50 inches. It is part of the Books Paper Sizes standard.
| Units | Width × Height |
|---|---|
| Metric millimeters (mm) | 135 × 216 mm |
| Metric centimeters (cm) | 13.50 × 21.60 cm |
| Metric meters (m) | 0.135 × 0.216 m |
| Imperial inches (in) | 5.31 × 8.50 in |
| Typographic points (1/72 inch) (pt) | 382.68 × 612.28 pt |
| Typographic picas (1/6 inch) (pc) | 31.89 × 51.02 pc |
| Pixels at 300 DPI (px) | 1,594 × 2,551 px |
C Format is part of the books paper sizes standard. Book paper sizes are standardized formats used in the publishing industry. Common formats include A Format (mass market paperback), B Format (trade paperback), and various Octavo sizes.
Quick facts
- Size (mm)135 × 216 mm
- Size (inches)5.31 × 8.50 in
- Aspect ratio1 : 1.60
- StandardBooks Paper Sizes
- Common useDocuments, letters, forms
Compare C Format with other sizes
Typical uses for C Format
C Format measures 135 × 216 mm (5.31 × 8.50 in) and is used for the following tasks.
- Book and booklet interiors
- Covers and dust jackets
- Self-publishing proofs
- Catalogues and zines
Printer tip
Set the tray guides to C Format and confirm the driver lists this size. Printing from a larger sheet usually scales the document.
C Format at common DPI
Pixel dimensions for C Format at popular resolutions. Rounded to whole pixels; physical sheet remains 135 × 216 mm.
| DPI | Width (px) | Height (px) |
|---|---|---|
| 72 | 383 | 612 |
| 96 | 510 | 816 |
| 150 | 797 | 1,276 |
| 300 | 1,594 | 2,551 |
| 600 | 3,189 | 5,102 |
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135 × 216 mm (5.31 × 8.5 in)