Information
BOOKS B Format measures 129 × 198 mm (5.1 × 7.8 inch) with an aspect ratio of 1.53, perimeter of 0.65 m, diagonal of 0.24 m and an area of 0.025542 m².
Common query: 129x198 mm, 5.1x7.8 inches.
Books
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