Book thickness

How thick is a 32-page book?

A 32-page paperback is about 0.072 in (1.8 mm) thick on white paper and 0.08 in on cream — 16 sheets of paper.

0.072 inwhite paper1.8 mm
0.08 incream paper
16sheets (leaves)

Spine width by paper

PaperInchesMillimetresCentimetres
White paper, black ink0.0721 in1.83 mm0.18 cm
Cream paper, black ink0.08 in2.03 mm0.2 cm
Standard color (white)0.0721 in1.83 mm0.18 cm
Premium color (white)0.0751 in1.91 mm0.19 cm

Full cover size by trim

TrimFull cover incl. bleed (white)Weight
5 x 8 in10.322 x 8.25 in44 g
5.06 x 7.81 in10.442 x 8.06 in43 g
5.25 x 8 in10.822 x 8.25 in46 g
5.5 x 8.5 in11.322 x 8.75 in51 g
6 x 9 in12.322 x 9.25 in59 g
6.14 x 9.21 in12.602 x 9.46 in62 g
6.69 x 9.61 in13.702 x 9.86 in71 g
7 x 10 in14.322 x 10.25 in77 g
7.5 x 9.25 in15.322 x 9.5 in76 g
8 x 10 in16.322 x 10.25 in88 g
8.5 x 8.5 in17.322 x 8.75 in79 g
8.5 x 11 in17.322 x 11.25 in103 g

Offset papers by PPI

PPITypical stockSpineSpine (mm)
350 PPIBulky / heavy stock (~70 lb text)0.091 in2.3 mm
400 PPICream book paper (~55 lb)0.08 in2 mm
444 PPIWhite book paper (~50 lb)0.072 in1.8 mm
500 PPILightweight text (~45 lb)0.064 in1.6 mm
600 PPIThin text (~40 lb)0.053 in1.4 mm

Other page counts

Frequently asked questions

How thick is a 32-page book?
A 32-page paperback is about 0.072 in (1.8 mm) thick on white paper and 0.08 in on cream — 16 sheets of paper.
How many sheets of paper are in a 32-page book?
16 leaves — each sheet carries two pages, one on each side.
Can a 32-page book have text on the spine?
Not on KDP, which requires more than 79 pages for spine text.