Book thickness
How thick is a 56-page book?
A 56-page paperback is about 0.126 in (3.2 mm) thick on white paper and 0.14 in on cream — 28 sheets of paper.
0.126 inwhite paper3.2 mm
0.14 incream paper
28sheets (leaves)
Spine width by paper
| Paper | Inches | Millimetres | Centimetres |
|---|---|---|---|
| White paper, black ink | 0.1261 in | 3.2 mm | 0.32 cm |
| Cream paper, black ink | 0.14 in | 3.56 mm | 0.36 cm |
| Standard color (white) | 0.1261 in | 3.2 mm | 0.32 cm |
| Premium color (white) | 0.1314 in | 3.34 mm | 0.33 cm |
Full cover size by trim
| Trim | Full cover incl. bleed (white) | Weight |
|---|---|---|
| 5 x 8 in | 10.376 x 8.25 in | 67 g |
| 5.06 x 7.81 in | 10.496 x 8.06 in | 66 g |
| 5.25 x 8 in | 10.876 x 8.25 in | 71 g |
| 5.5 x 8.5 in | 11.376 x 8.75 in | 79 g |
| 6 x 9 in | 12.376 x 9.25 in | 91 g |
| 6.14 x 9.21 in | 12.656 x 9.46 in | 95 g |
| 6.69 x 9.61 in | 13.756 x 9.86 in | 108 g |
| 7 x 10 in | 14.376 x 10.25 in | 118 g |
| 7.5 x 9.25 in | 15.376 x 9.5 in | 117 g |
| 8 x 10 in | 16.376 x 10.25 in | 134 g |
| 8.5 x 8.5 in | 17.376 x 8.75 in | 121 g |
| 8.5 x 11 in | 17.376 x 11.25 in | 157 g |
Offset papers by PPI
| PPI | Typical stock | Spine | Spine (mm) |
|---|---|---|---|
| 350 PPI | Bulky / heavy stock (~70 lb text) | 0.16 in | 4.1 mm |
| 400 PPI | Cream book paper (~55 lb) | 0.14 in | 3.6 mm |
| 444 PPI | White book paper (~50 lb) | 0.126 in | 3.2 mm |
| 500 PPI | Lightweight text (~45 lb) | 0.112 in | 2.8 mm |
| 600 PPI | Thin text (~40 lb) | 0.093 in | 2.4 mm |
Other page counts
Frequently asked questions
How thick is a 56-page book?
A 56-page paperback is about 0.126 in (3.2 mm) thick on white paper and 0.14 in on cream — 28 sheets of paper.
How many sheets of paper are in a 56-page book?
28 leaves — each sheet carries two pages, one on each side.
Can a 56-page book have text on the spine?
Not on KDP, which requires more than 79 pages for spine text.