Folio

304.8 x 482.6 mm

12 x 19 inch

Quarto

241.3 x 304.8 mm

9.5 x 12 inch

Imperial Octavo

209.6 x 292.1 mm

8.2 x 11.5 inch

Super Octavo

177.8 x 279.4 mm

7 x 11 inch

Royal Octavo

165.1 x 254 mm

6.5 x 10 inch

Medium Octavo

165.1 x 234.9 mm

6.5 x 9.2 inch

Octavo

152.4 x 228.6 mm

6 x 9 inch

Crown Octavo

136.5 x 203.2 mm

5.4 x 8 inch

12mo

127 x 187.3 mm

5 x 7.4 inch

16mo

101.6 x 171.4 mm

4 x 6.7 inch

18mo

101.6 x 165.1 mm

4 x 6.5 inch

32mo

88.9 x 139.7 mm

3.5 x 5.5 inch

48mo

63.5 x 101.6 mm

2.5 x 4 inch

64mo

50.8 x 76.2 mm

2 x 3 inch

A Format

110 x 178 mm

4.3 x 7 inch

B Format

129 x 198 mm

5.1 x 7.8 inch

C Format

135 x 216 mm

5.3 x 8.5 inch