Folio

-
304.8 x 482.6
mm

Quarto

-
241.3 x 304.8
mm

Imperial Octavo

-
209.6 x 292.1
mm

Super Octavo

-
177.8 x 279.4
mm

Royal Octavo

-
165.1 x 254
mm

Medium Octavo

-
165.1 x 234.9
mm

Octavo

-
152.4 x 228.6
mm

Crown Octavo

-
136.5 x 203.2
mm

12mo

-
127 x 187.3
mm

16mo

-
101.6 x 171.4
mm

18mo

-
101.6 x 165.1
mm

32mo

-
88.9 x 139.7
mm

48mo

-
63.5 x 101.6
mm

64mo

-
50.8 x 76.2
mm

A Format

-
110 x 178
mm

B Format

-
129 x 198
mm

C Format

-
135 x 216
mm

Folio

-
304.8 x 482.6
mm

Quarto

-
241.3 x 304.8
mm

Imperial Octavo

-
209.6 x 292.1
mm

Super Octavo

-
177.8 x 279.4
mm

Royal Octavo

-
165.1 x 254
mm

Medium Octavo

-
165.1 x 234.9
mm

Octavo

-
152.4 x 228.6
mm

Crown Octavo

-
136.5 x 203.2
mm

12mo

-
127 x 187.3
mm

16mo

-
101.6 x 171.4
mm

18mo

-
101.6 x 165.1
mm

32mo

-
88.9 x 139.7
mm

48mo

-
63.5 x 101.6
mm

64mo

-
50.8 x 76.2
mm

A Format

-
110 x 178
mm

B Format

-
129 x 198
mm

C Format

-
135 x 216
mm

Folio

-
304.8 x 482.6
mm

Quarto

-
241.3 x 304.8
mm

Imperial Octavo

-
209.6 x 292.1
mm

Super Octavo

-
177.8 x 279.4
mm

Royal Octavo

-
165.1 x 254
mm

Medium Octavo

-
165.1 x 234.9
mm

Octavo

-
152.4 x 228.6
mm

Crown Octavo

-
136.5 x 203.2
mm

12mo

-
127 x 187.3
mm

16mo

-
101.6 x 171.4
mm

18mo

-
101.6 x 165.1
mm

32mo

-
88.9 x 139.7
mm

48mo

-
63.5 x 101.6
mm

64mo

-
50.8 x 76.2
mm

A Format

-
110 x 178
mm

B Format

-
129 x 198
mm

C Format

-
135 x 216
mm

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 x Height (mm) Width x Height (inches)
Folio 304.8 x 482.6 mm 12 x 19 inches
Quarto 241.3 x 304.8 mm 9.5 x 12 inches
Imperial Octavo 209.6 x 292.1 mm 8.3 x 11.5 inches
Super Octavo 177.8 x 279.4 mm 7 x 11 inches
Royal Octavo 165.1 x 254 mm 6.5 x 10 inches
Medium Octavo 165.1 x 234.9 mm 6.5 x 9.3 inches
Octavo 152.4 x 228.6 mm 6 x 9 inches
Crown Octavo 136.5 x 203.2 mm 5.4 x 8 inches
12mo 127 x 187.3 mm 5 x 7.4 inches
16mo 101.6 x 171.4 mm 4 x 6.8 inches
18mo 101.6 x 165.1 mm 4 x 6.5 inches
32mo 88.9 x 139.7 mm 3.5 x 5.5 inches
48mo 63.5 x 101.6 mm 2.5 x 4 inches
64mo 50.8 x 76.2 mm 2 x 3 inches
A Format 110 x 178 mm 4.3 x 7 inches
B Format 129 x 198 mm 5.1 x 7.8 inches
C Format 135 x 216 mm 5.3 x 8.5 inches