Book Sizes
All Book paper sizes, formats, information and dimension in mm, cm, m, inches, and pixels. The Book category has a total of 17 paper sizes.
| Format | Size (mm) | Size (in) |
|---|---|---|
| Folio | 304.8 × 482.6 mm | 12.0 × 19.0 in |
| Quarto | 241.3 × 304.8 mm | 9.5 × 12.0 in |
| Imperial Octavo | 209.6 × 292.1 mm | 8.3 × 11.5 in |
| Super Octavo | 177.8 × 279.4 mm | 7.0 × 11.0 in |
| Royal Octavo | 165.1 × 254 mm | 6.5 × 10.0 in |
| Medium Octavo | 165.1 × 234.9 mm | 6.5 × 9.2 in |
| Octavo | 152.4 × 228.6 mm | 6.0 × 9.0 in |
| C Format | 135 × 216 mm | 5.3 × 8.5 in |
| Crown Octavo | 136.5 × 203.2 mm | 5.4 × 8.0 in |
| B Format | 129 × 198 mm | 5.1 × 7.8 in |
| 12mo | 127 × 187.3 mm | 5.0 × 7.4 in |
| A Format | 110 × 178 mm | 4.3 × 7.0 in |
| 16mo | 101.6 × 171.4 mm | 4.0 × 6.7 in |
| 18mo | 101.6 × 165.1 mm | 4.0 × 6.5 in |
| 32mo | 88.9 × 139.7 mm | 3.5 × 5.5 in |
| 48mo | 63.5 × 101.6 mm | 2.5 × 4.0 in |
| 64mo | 50.8 × 76.2 mm | 2.0 × 3.0 in |
What are standard Book Sizes?
Traditional publishing formats used primarily in the UK and US, named after the number of times a master sheet was folded.
Frequently Asked Questions
How are Book Sizes dimensions measured?
Standard Book 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 Book Sizes category?
The largest size listed in our database for Book Sizes is Folio, which measures 304.8 × 482.6 mm.
How many sizes are included in the Book Sizes standard?
There are currently 17 distinct paper sizes documented in the Book Sizes series.
Are Book Sizes formats used internationally?
While Book 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 Book Sizes dimensions with other sizes?
You can use our dedicated Compare tool to visually contrast any Book Sizes format against other standard paper sizes, allowing you to see the exact dimensional differences side-by-side.