Dimensions
Books Paper Sizes
Folio
30.5 × 48.3 cm
Quarto
24.1 × 30.5 cm
Imperial Octavo
21 × 29.2 cm
Super Octavo
17.8 × 27.9 cm
Royal Octavo
16.5 × 25.4 cm
Medium Octavo
16.5 × 23.5 cm
Octavo
15.2 × 22.9 cm
Crown Octavo
13.7 × 20.3 cm
12mo
12.7 × 18.7 cm
16mo
10.2 × 17.1 cm
18mo
10.2 × 16.5 cm
32mo
8.9 × 14 cm
48mo
6.4 × 10.2 cm
64mo
5.1 × 7.6 cm
A Format
11 × 17.8 cm
B Format
12.9 × 19.8 cm
C Format
13.5 × 21.6 cm
More Information
During the hand press period, their existed many sizes of paper to produce books. Since those times, the size of book paper has been standardized and refined many times. In the eighteenth century, the size of book paper was generally larger then they are today.
Today, the B format of paper serves the paperback market well and is the most common size in operation today.
| Format | Width × Height (mm) | Width × Height (cm) | Width × Height (in) |
|---|---|---|---|
| Folio | 304.8 × 482.6 mm | 30.5 × 48.3 cm | 12 × 19 in |
| Quarto | 241.3 × 304.8 mm | 24.1 × 30.5 cm | 9.5 × 12 in |
| Imperial Octavo | 209.55 × 292.1 mm | 21 × 29.2 cm | 8.3 × 11.5 in |
| Super Octavo | 177.8 × 279.4 mm | 17.8 × 27.9 cm | 7 × 11 in |
| Royal Octavo | 165.1 × 254 mm | 16.5 × 25.4 cm | 6.5 × 10 in |
| Medium Octavo | 165.1 × 234.95 mm | 16.5 × 23.5 cm | 6.5 × 9.3 in |
| Octavo | 152.4 × 228.6 mm | 15.2 × 22.9 cm | 6 × 9 in |
| Crown Octavo | 136.525 × 203.2 mm | 13.7 × 20.3 cm | 5.4 × 8 in |
| 12mo | 127 × 187.325 mm | 12.7 × 18.7 cm | 5 × 7.4 in |
| 16mo | 101.6 × 171.45 mm | 10.2 × 17.1 cm | 4 × 6.8 in |
| 18mo | 101.6 × 165.1 mm | 10.2 × 16.5 cm | 4 × 6.5 in |
| 32mo | 88.9 × 139.7 mm | 8.9 × 14 cm | 3.5 × 5.5 in |
| 48mo | 63.5 × 101.6 mm | 6.4 × 10.2 cm | 2.5 × 4 in |
| 64mo | 50.8 × 76.2 mm | 5.1 × 7.6 cm | 2 × 3 in |
| A Format | 110 × 178 mm | 11 × 17.8 cm | 4.3 × 7 in |
| B Format | 129 × 198 mm | 12.9 × 19.8 cm | 5.1 × 7.8 in |
| C Format | 135 × 216 mm | 13.5 × 21.6 cm | 5.3 × 8.5 in |