Book thickness
How thick is a 450-page book?
A 450-page paperback is about 1.013 in (25.7 mm) thick on white paper and 1.125 in on cream — 225 sheets of paper.
1.013 inwhite paper25.7 mm
1.125 incream paper
225sheets (leaves)
Spine width by paper
| Paper | Inches | Millimetres | Centimetres |
|---|---|---|---|
| White paper, black ink | 1.0134 in | 25.74 mm | 2.57 cm |
| Cream paper, black ink | 1.125 in | 28.58 mm | 2.86 cm |
| Standard color (white) | 1.0134 in | 25.74 mm | 2.57 cm |
| Premium color (white) | 1.0562 in | 26.83 mm | 2.68 cm |
Full cover size by trim
| Trim | Full cover incl. bleed (white) | Weight |
|---|---|---|
| 5 x 8 in | 11.263 x 8.25 in | 450 g |
| 5.06 x 7.81 in | 11.383 x 8.06 in | 444 g |
| 5.25 x 8 in | 11.763 x 8.25 in | 472 g |
| 5.5 x 8.5 in | 12.263 x 8.75 in | 525 g |
| 6 x 9 in | 13.263 x 9.25 in | 607 g |
| 6.14 x 9.21 in | 13.543 x 9.46 in | 635 g |
| 6.69 x 9.61 in | 14.643 x 9.86 in | 722 g |
| 7 x 10 in | 15.263 x 10.25 in | 786 g |
| 7.5 x 9.25 in | 16.263 x 9.5 in | 779 g |
| 8 x 10 in | 17.263 x 10.25 in | 898 g |
| 8.5 x 8.5 in | 18.263 x 8.75 in | 811 g |
| 8.5 x 11 in | 18.263 x 11.25 in | 1,050 g |
Offset papers by PPI
| PPI | Typical stock | Spine | Spine (mm) |
|---|---|---|---|
| 350 PPI | Bulky / heavy stock (~70 lb text) | 1.286 in | 32.7 mm |
| 400 PPI | Cream book paper (~55 lb) | 1.125 in | 28.6 mm |
| 444 PPI | White book paper (~50 lb) | 1.014 in | 25.7 mm |
| 500 PPI | Lightweight text (~45 lb) | 0.9 in | 22.9 mm |
| 600 PPI | Thin text (~40 lb) | 0.75 in | 19.1 mm |
Other page counts
Frequently asked questions
How thick is a 450-page book?
A 450-page paperback is about 1.013 in (25.7 mm) thick on white paper and 1.125 in on cream — 225 sheets of paper.
How many sheets of paper are in a 450-page book?
225 leaves — each sheet carries two pages, one on each side.
Can a 450-page book have text on the spine?
Yes.