Book thickness

How thick is a 490-page book?

A 490-page paperback is about 1.103 in (28 mm) thick on white paper and 1.225 in on cream — 245 sheets of paper.

1.103 inwhite paper28 mm
1.225 incream paper
245sheets (leaves)

Spine width by paper

PaperInchesMillimetresCentimetres
White paper, black ink1.1035 in28.03 mm2.8 cm
Cream paper, black ink1.225 in31.12 mm3.11 cm
Standard color (white)1.1035 in28.03 mm2.8 cm
Premium color (white)1.15 in29.21 mm2.92 cm

Full cover size by trim

TrimFull cover incl. bleed (white)Weight
5 x 8 in11.353 x 8.25 in489 g
5.06 x 7.81 in11.473 x 8.06 in483 g
5.25 x 8 in11.853 x 8.25 in513 g
5.5 x 8.5 in12.353 x 8.75 in571 g
6 x 9 in13.353 x 9.25 in659 g
6.14 x 9.21 in13.633 x 9.46 in690 g
6.69 x 9.61 in14.733 x 9.86 in785 g
7 x 10 in15.353 x 10.25 in854 g
7.5 x 9.25 in16.353 x 9.5 in846 g
8 x 10 in17.353 x 10.25 in976 g
8.5 x 8.5 in18.353 x 8.75 in881 g
8.5 x 11 in18.353 x 11.25 in1,141 g

Offset papers by PPI

PPITypical stockSpineSpine (mm)
350 PPIBulky / heavy stock (~70 lb text)1.4 in35.6 mm
400 PPICream book paper (~55 lb)1.225 in31.1 mm
444 PPIWhite book paper (~50 lb)1.104 in28 mm
500 PPILightweight text (~45 lb)0.98 in24.9 mm
600 PPIThin text (~40 lb)0.817 in20.7 mm

Other page counts

Frequently asked questions

How thick is a 490-page book?
A 490-page paperback is about 1.103 in (28 mm) thick on white paper and 1.225 in on cream — 245 sheets of paper.
How many sheets of paper are in a 490-page book?
245 leaves — each sheet carries two pages, one on each side.
Can a 490-page book have text on the spine?
Yes.