Book thickness
How thick is a 310-page book?
A 310-page paperback is about 0.698 in (17.7 mm) thick on white paper and 0.775 in on cream — 155 sheets of paper.
0.698 inwhite paper17.7 mm
0.775 incream paper
155sheets (leaves)
Spine width by paper
| Paper | Inches | Millimetres | Centimetres |
|---|---|---|---|
| White paper, black ink | 0.6981 in | 17.73 mm | 1.77 cm |
| Cream paper, black ink | 0.775 in | 19.69 mm | 1.97 cm |
| Standard color (white) | 0.6981 in | 17.73 mm | 1.77 cm |
| Premium color (white) | 0.7276 in | 18.48 mm | 1.85 cm |
Full cover size by trim
| Trim | Full cover incl. bleed (white) | Weight |
|---|---|---|
| 5 x 8 in | 10.948 x 8.25 in | 314 g |
| 5.06 x 7.81 in | 11.068 x 8.06 in | 310 g |
| 5.25 x 8 in | 11.448 x 8.25 in | 329 g |
| 5.5 x 8.5 in | 11.948 x 8.75 in | 367 g |
| 6 x 9 in | 12.948 x 9.25 in | 423 g |
| 6.14 x 9.21 in | 13.228 x 9.46 in | 443 g |
| 6.69 x 9.61 in | 14.328 x 9.86 in | 504 g |
| 7 x 10 in | 14.948 x 10.25 in | 549 g |
| 7.5 x 9.25 in | 15.948 x 9.5 in | 544 g |
| 8 x 10 in | 16.948 x 10.25 in | 627 g |
| 8.5 x 8.5 in | 17.948 x 8.75 in | 566 g |
| 8.5 x 11 in | 17.948 x 11.25 in | 733 g |
Offset papers by PPI
| PPI | Typical stock | Spine | Spine (mm) |
|---|---|---|---|
| 350 PPI | Bulky / heavy stock (~70 lb text) | 0.886 in | 22.5 mm |
| 400 PPI | Cream book paper (~55 lb) | 0.775 in | 19.7 mm |
| 444 PPI | White book paper (~50 lb) | 0.698 in | 17.7 mm |
| 500 PPI | Lightweight text (~45 lb) | 0.62 in | 15.7 mm |
| 600 PPI | Thin text (~40 lb) | 0.517 in | 13.1 mm |
Other page counts
Frequently asked questions
How thick is a 310-page book?
A 310-page paperback is about 0.698 in (17.7 mm) thick on white paper and 0.775 in on cream — 155 sheets of paper.
How many sheets of paper are in a 310-page book?
155 leaves — each sheet carries two pages, one on each side.
Can a 310-page book have text on the spine?
Yes.