Dimensions

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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.

FormatWidth × Height (mm)Width × Height (cm)Width × Height (in)
Folio304.8 × 482.6 mm30.5 × 48.3 cm12 × 19 in
Quarto241.3 × 304.8 mm24.1 × 30.5 cm9.5 × 12 in
Imperial Octavo209.55 × 292.1 mm21 × 29.2 cm8.3 × 11.5 in
Super Octavo177.8 × 279.4 mm17.8 × 27.9 cm7 × 11 in
Royal Octavo165.1 × 254 mm16.5 × 25.4 cm6.5 × 10 in
Medium Octavo165.1 × 234.95 mm16.5 × 23.5 cm6.5 × 9.3 in
Octavo152.4 × 228.6 mm15.2 × 22.9 cm6 × 9 in
Crown Octavo136.525 × 203.2 mm13.7 × 20.3 cm5.4 × 8 in
12mo127 × 187.325 mm12.7 × 18.7 cm5 × 7.4 in
16mo101.6 × 171.45 mm10.2 × 17.1 cm4 × 6.8 in
18mo101.6 × 165.1 mm10.2 × 16.5 cm4 × 6.5 in
32mo88.9 × 139.7 mm8.9 × 14 cm3.5 × 5.5 in
48mo63.5 × 101.6 mm6.4 × 10.2 cm2.5 × 4 in
64mo50.8 × 76.2 mm5.1 × 7.6 cm2 × 3 in
A Format110 × 178 mm11 × 17.8 cm4.3 × 7 in
B Format129 × 198 mm12.9 × 19.8 cm5.1 × 7.8 in
C Format135 × 216 mm13.5 × 21.6 cm5.3 × 8.5 in