Book thickness
How thick is a 64-page book?
A 64-page paperback is about 0.144 in (3.7 mm) thick on white paper and 0.16 in on cream — 32 sheets of paper.
0.144 inwhite paper3.7 mm
0.16 incream paper
32sheets (leaves)
Spine width by paper
| Paper | Inches | Millimetres | Centimetres |
|---|---|---|---|
| White paper, black ink | 0.1441 in | 3.66 mm | 0.37 cm |
| Cream paper, black ink | 0.16 in | 4.06 mm | 0.41 cm |
| Standard color (white) | 0.1441 in | 3.66 mm | 0.37 cm |
| Premium color (white) | 0.1502 in | 3.82 mm | 0.38 cm |
Full cover size by trim
| Trim | Full cover incl. bleed (white) | Weight |
|---|---|---|
| 5 x 8 in | 10.394 x 8.25 in | 75 g |
| 5.06 x 7.81 in | 10.514 x 8.06 in | 74 g |
| 5.25 x 8 in | 10.894 x 8.25 in | 79 g |
| 5.5 x 8.5 in | 11.394 x 8.75 in | 88 g |
| 6 x 9 in | 12.394 x 9.25 in | 101 g |
| 6.14 x 9.21 in | 12.674 x 9.46 in | 106 g |
| 6.69 x 9.61 in | 13.774 x 9.86 in | 121 g |
| 7 x 10 in | 14.394 x 10.25 in | 131 g |
| 7.5 x 9.25 in | 15.394 x 9.5 in | 130 g |
| 8 x 10 in | 16.394 x 10.25 in | 150 g |
| 8.5 x 8.5 in | 17.394 x 8.75 in | 135 g |
| 8.5 x 11 in | 17.394 x 11.25 in | 175 g |
Offset papers by PPI
| PPI | Typical stock | Spine | Spine (mm) |
|---|---|---|---|
| 350 PPI | Bulky / heavy stock (~70 lb text) | 0.183 in | 4.6 mm |
| 400 PPI | Cream book paper (~55 lb) | 0.16 in | 4.1 mm |
| 444 PPI | White book paper (~50 lb) | 0.144 in | 3.7 mm |
| 500 PPI | Lightweight text (~45 lb) | 0.128 in | 3.3 mm |
| 600 PPI | Thin text (~40 lb) | 0.107 in | 2.7 mm |
Other page counts
Frequently asked questions
How thick is a 64-page book?
A 64-page paperback is about 0.144 in (3.7 mm) thick on white paper and 0.16 in on cream — 32 sheets of paper.
How many sheets of paper are in a 64-page book?
32 leaves — each sheet carries two pages, one on each side.
Can a 64-page book have text on the spine?
Not on KDP, which requires more than 79 pages for spine text.