Book thickness
How thick is a 620-page book?
A 620-page paperback is about 1.396 in (35.5 mm) thick on white paper and 1.55 in on cream — 310 sheets of paper.
1.396 inwhite paper35.5 mm
1.55 incream paper
310sheets (leaves)
Spine width by paper
| Paper | Inches | Millimetres | Centimetres |
|---|---|---|---|
| White paper, black ink | 1.3962 in | 35.46 mm | 3.55 cm |
| Cream paper, black ink | 1.55 in | 39.37 mm | 3.94 cm |
| Standard color (white) | 1.3962 in | 35.46 mm | 3.55 cm |
| Premium color (white) | 1.4551 in | 36.96 mm | 3.7 cm |
Full cover size by trim
| Trim | Full cover incl. bleed (white) | Weight |
|---|---|---|
| 5 x 8 in | 11.646 x 8.25 in | 615 g |
| 5.06 x 7.81 in | 11.766 x 8.06 in | 607 g |
| 5.25 x 8 in | 12.146 x 8.25 in | 645 g |
| 5.5 x 8.5 in | 12.646 x 8.75 in | 718 g |
| 6 x 9 in | 13.646 x 9.25 in | 829 g |
| 6.14 x 9.21 in | 13.926 x 9.46 in | 869 g |
| 6.69 x 9.61 in | 15.026 x 9.86 in | 987 g |
| 7 x 10 in | 15.646 x 10.25 in | 1,075 g |
| 7.5 x 9.25 in | 16.646 x 9.5 in | 1,065 g |
| 8 x 10 in | 17.646 x 10.25 in | 1,228 g |
| 8.5 x 8.5 in | 18.646 x 8.75 in | 1,109 g |
| 8.5 x 11 in | 18.646 x 11.25 in | 1,435 g |
Offset papers by PPI
| PPI | Typical stock | Spine | Spine (mm) |
|---|---|---|---|
| 350 PPI | Bulky / heavy stock (~70 lb text) | 1.771 in | 45 mm |
| 400 PPI | Cream book paper (~55 lb) | 1.55 in | 39.4 mm |
| 444 PPI | White book paper (~50 lb) | 1.396 in | 35.5 mm |
| 500 PPI | Lightweight text (~45 lb) | 1.24 in | 31.5 mm |
| 600 PPI | Thin text (~40 lb) | 1.033 in | 26.2 mm |
Other page counts
Frequently asked questions
How thick is a 620-page book?
A 620-page paperback is about 1.396 in (35.5 mm) thick on white paper and 1.55 in on cream — 310 sheets of paper.
How many sheets of paper are in a 620-page book?
310 leaves — each sheet carries two pages, one on each side.
Can a 620-page book have text on the spine?
Yes.