Book thickness
How thick is a 170-page book?
A 170-page paperback is about 0.383 in (9.7 mm) thick on white paper and 0.425 in on cream — 85 sheets of paper.
0.383 inwhite paper9.7 mm
0.425 incream paper
85sheets (leaves)
Spine width by paper
| Paper | Inches | Millimetres | Centimetres |
|---|---|---|---|
| White paper, black ink | 0.3828 in | 9.72 mm | 0.97 cm |
| Cream paper, black ink | 0.425 in | 10.8 mm | 1.08 cm |
| Standard color (white) | 0.3828 in | 9.72 mm | 0.97 cm |
| Premium color (white) | 0.399 in | 10.13 mm | 1.01 cm |
Full cover size by trim
| Trim | Full cover incl. bleed (white) | Weight |
|---|---|---|
| 5 x 8 in | 10.633 x 8.25 in | 178 g |
| 5.06 x 7.81 in | 10.753 x 8.06 in | 176 g |
| 5.25 x 8 in | 11.133 x 8.25 in | 187 g |
| 5.5 x 8.5 in | 11.633 x 8.75 in | 208 g |
| 6 x 9 in | 12.633 x 9.25 in | 240 g |
| 6.14 x 9.21 in | 12.913 x 9.46 in | 251 g |
| 6.69 x 9.61 in | 14.013 x 9.86 in | 286 g |
| 7 x 10 in | 14.633 x 10.25 in | 311 g |
| 7.5 x 9.25 in | 15.633 x 9.5 in | 308 g |
| 8 x 10 in | 16.633 x 10.25 in | 355 g |
| 8.5 x 8.5 in | 17.633 x 8.75 in | 321 g |
| 8.5 x 11 in | 17.633 x 11.25 in | 415 g |
Offset papers by PPI
| PPI | Typical stock | Spine | Spine (mm) |
|---|---|---|---|
| 350 PPI | Bulky / heavy stock (~70 lb text) | 0.486 in | 12.3 mm |
| 400 PPI | Cream book paper (~55 lb) | 0.425 in | 10.8 mm |
| 444 PPI | White book paper (~50 lb) | 0.383 in | 9.7 mm |
| 500 PPI | Lightweight text (~45 lb) | 0.34 in | 8.6 mm |
| 600 PPI | Thin text (~40 lb) | 0.283 in | 7.2 mm |
Other page counts
Frequently asked questions
How thick is a 170-page book?
A 170-page paperback is about 0.383 in (9.7 mm) thick on white paper and 0.425 in on cream — 85 sheets of paper.
How many sheets of paper are in a 170-page book?
85 leaves — each sheet carries two pages, one on each side.
Can a 170-page book have text on the spine?
Yes.