Book thickness
How thick is a 380-page book?
A 380-page paperback is about 0.856 in (21.7 mm) thick on white paper and 0.95 in on cream — 190 sheets of paper.
0.856 inwhite paper21.7 mm
0.95 incream paper
190sheets (leaves)
Spine width by paper
| Paper | Inches | Millimetres | Centimetres |
|---|---|---|---|
| White paper, black ink | 0.8558 in | 21.74 mm | 2.17 cm |
| Cream paper, black ink | 0.95 in | 24.13 mm | 2.41 cm |
| Standard color (white) | 0.8558 in | 21.74 mm | 2.17 cm |
| Premium color (white) | 0.8919 in | 22.65 mm | 2.27 cm |
Full cover size by trim
| Trim | Full cover incl. bleed (white) | Weight |
|---|---|---|
| 5 x 8 in | 11.106 x 8.25 in | 382 g |
| 5.06 x 7.81 in | 11.226 x 8.06 in | 377 g |
| 5.25 x 8 in | 11.606 x 8.25 in | 401 g |
| 5.5 x 8.5 in | 12.106 x 8.75 in | 446 g |
| 6 x 9 in | 13.106 x 9.25 in | 515 g |
| 6.14 x 9.21 in | 13.386 x 9.46 in | 539 g |
| 6.69 x 9.61 in | 14.486 x 9.86 in | 613 g |
| 7 x 10 in | 15.106 x 10.25 in | 668 g |
| 7.5 x 9.25 in | 16.106 x 9.5 in | 661 g |
| 8 x 10 in | 17.106 x 10.25 in | 763 g |
| 8.5 x 8.5 in | 18.106 x 8.75 in | 689 g |
| 8.5 x 11 in | 18.106 x 11.25 in | 891 g |
Offset papers by PPI
| PPI | Typical stock | Spine | Spine (mm) |
|---|---|---|---|
| 350 PPI | Bulky / heavy stock (~70 lb text) | 1.086 in | 27.6 mm |
| 400 PPI | Cream book paper (~55 lb) | 0.95 in | 24.1 mm |
| 444 PPI | White book paper (~50 lb) | 0.856 in | 21.7 mm |
| 500 PPI | Lightweight text (~45 lb) | 0.76 in | 19.3 mm |
| 600 PPI | Thin text (~40 lb) | 0.633 in | 16.1 mm |
Other page counts
Frequently asked questions
How thick is a 380-page book?
A 380-page paperback is about 0.856 in (21.7 mm) thick on white paper and 0.95 in on cream — 190 sheets of paper.
How many sheets of paper are in a 380-page book?
190 leaves — each sheet carries two pages, one on each side.
Can a 380-page book have text on the spine?
Yes.