Book thickness

How thick is a 660-page book?

A 660-page paperback is about 1.486 in (37.8 mm) thick on white paper and 1.65 in on cream — 330 sheets of paper.

1.486 inwhite paper37.8 mm
1.65 incream paper
330sheets (leaves)

Spine width by paper

PaperInchesMillimetresCentimetres
White paper, black ink1.4863 in37.75 mm3.78 cm
Cream paper, black ink1.65 in41.91 mm4.19 cm
Standard color (white)1.4863 in37.75 mm3.78 cm
Premium color (white)1.549 in39.35 mm3.93 cm

Full cover size by trim

TrimFull cover incl. bleed (white)Weight
5 x 8 in11.736 x 8.25 in654 g
5.06 x 7.81 in11.856 x 8.06 in646 g
5.25 x 8 in12.236 x 8.25 in686 g
5.5 x 8.5 in12.736 x 8.75 in764 g
6 x 9 in13.736 x 9.25 in882 g
6.14 x 9.21 in14.016 x 9.46 in923 g
6.69 x 9.61 in15.116 x 9.86 in1,050 g
7 x 10 in15.736 x 10.25 in1,143 g
7.5 x 9.25 in16.736 x 9.5 in1,132 g
8 x 10 in17.736 x 10.25 in1,306 g
8.5 x 8.5 in18.736 x 8.75 in1,179 g
8.5 x 11 in18.736 x 11.25 in1,526 g

Offset papers by PPI

PPITypical stockSpineSpine (mm)
350 PPIBulky / heavy stock (~70 lb text)1.886 in47.9 mm
400 PPICream book paper (~55 lb)1.65 in41.9 mm
444 PPIWhite book paper (~50 lb)1.486 in37.8 mm
500 PPILightweight text (~45 lb)1.32 in33.5 mm
600 PPIThin text (~40 lb)1.1 in27.9 mm

Other page counts

Frequently asked questions

How thick is a 660-page book?
A 660-page paperback is about 1.486 in (37.8 mm) thick on white paper and 1.65 in on cream — 330 sheets of paper.
How many sheets of paper are in a 660-page book?
330 leaves — each sheet carries two pages, one on each side.
Can a 660-page book have text on the spine?
Yes.