Spine width chart
8.5 x 8.5 in Spine Width Chart (24–828 Pages)
Every page count for a 8.5 x 8.5 in (8.5 x 8.5 in Square) paperback. Click a row for the full cover template.
8.5 x 8.5 in spine widths
| Pages | Spine (white) | Spine (white, mm) | Spine (cream) | Full cover (white) | Weight |
|---|---|---|---|---|---|
| 24 | 0.054 in | 1.37 mm | 0.06 in | 17.304 x 8.75 in | 65 g |
| 32 | 0.0721 in | 1.83 mm | 0.08 in | 17.322 x 8.75 in | 79 g |
| 40 | 0.0901 in | 2.29 mm | 0.1 in | 17.34 x 8.75 in | 93 g |
| 48 | 0.1081 in | 2.75 mm | 0.12 in | 17.358 x 8.75 in | 107 g |
| 56 | 0.1261 in | 3.2 mm | 0.14 in | 17.376 x 8.75 in | 121 g |
| 64 | 0.1441 in | 3.66 mm | 0.16 in | 17.394 x 8.75 in | 135 g |
| 72 | 0.1621 in | 4.12 mm | 0.18 in | 17.412 x 8.75 in | 149 g |
| 80 | 0.1802 in | 4.58 mm | 0.2 in | 17.43 x 8.75 in | 163 g |
| 90 | 0.2027 in | 5.15 mm | 0.225 in | 17.453 x 8.75 in | 181 g |
| 100 | 0.2252 in | 5.72 mm | 0.25 in | 17.475 x 8.75 in | 198 g |
| 110 | 0.2477 in | 6.29 mm | 0.275 in | 17.498 x 8.75 in | 216 g |
| 120 | 0.2702 in | 6.86 mm | 0.3 in | 17.52 x 8.75 in | 233 g |
| 130 | 0.2928 in | 7.44 mm | 0.325 in | 17.543 x 8.75 in | 251 g |
| 140 | 0.3153 in | 8.01 mm | 0.35 in | 17.565 x 8.75 in | 268 g |
| 150 | 0.3378 in | 8.58 mm | 0.375 in | 17.588 x 8.75 in | 286 g |
| 160 | 0.3603 in | 9.15 mm | 0.4 in | 17.61 x 8.75 in | 303 g |
| 170 | 0.3828 in | 9.72 mm | 0.425 in | 17.633 x 8.75 in | 321 g |
| 180 | 0.4054 in | 10.3 mm | 0.45 in | 17.655 x 8.75 in | 338 g |
| 190 | 0.4279 in | 10.87 mm | 0.475 in | 17.678 x 8.75 in | 356 g |
| 200 | 0.4504 in | 11.44 mm | 0.5 in | 17.7 x 8.75 in | 374 g |
| 210 | 0.4729 in | 12.01 mm | 0.525 in | 17.723 x 8.75 in | 391 g |
| 220 | 0.4954 in | 12.58 mm | 0.55 in | 17.745 x 8.75 in | 409 g |
| 230 | 0.518 in | 13.16 mm | 0.575 in | 17.768 x 8.75 in | 426 g |
| 240 | 0.5405 in | 13.73 mm | 0.6 in | 17.79 x 8.75 in | 444 g |
| 250 | 0.563 in | 14.3 mm | 0.625 in | 17.813 x 8.75 in | 461 g |
| 260 | 0.5855 in | 14.87 mm | 0.65 in | 17.836 x 8.75 in | 479 g |
| 270 | 0.608 in | 15.44 mm | 0.675 in | 17.858 x 8.75 in | 496 g |
| 280 | 0.6306 in | 16.02 mm | 0.7 in | 17.881 x 8.75 in | 514 g |
| 290 | 0.6531 in | 16.59 mm | 0.725 in | 17.903 x 8.75 in | 531 g |
| 300 | 0.6756 in | 17.16 mm | 0.75 in | 17.926 x 8.75 in | 549 g |
| 310 | 0.6981 in | 17.73 mm | 0.775 in | 17.948 x 8.75 in | 566 g |
| 320 | 0.7206 in | 18.3 mm | 0.8 in | 17.971 x 8.75 in | 584 g |
| 330 | 0.7432 in | 18.88 mm | 0.825 in | 17.993 x 8.75 in | 601 g |
| 340 | 0.7657 in | 19.45 mm | 0.85 in | 18.016 x 8.75 in | 619 g |
| 350 | 0.7882 in | 20.02 mm | 0.875 in | 18.038 x 8.75 in | 636 g |
| 360 | 0.8107 in | 20.59 mm | 0.9 in | 18.061 x 8.75 in | 654 g |
| 370 | 0.8332 in | 21.16 mm | 0.925 in | 18.083 x 8.75 in | 671 g |
| 380 | 0.8558 in | 21.74 mm | 0.95 in | 18.106 x 8.75 in | 689 g |
| 390 | 0.8783 in | 22.31 mm | 0.975 in | 18.128 x 8.75 in | 706 g |
| 400 | 0.9008 in | 22.88 mm | 1 in | 18.151 x 8.75 in | 724 g |
| 410 | 0.9233 in | 23.45 mm | 1.025 in | 18.173 x 8.75 in | 741 g |
| 420 | 0.9458 in | 24.02 mm | 1.05 in | 18.196 x 8.75 in | 759 g |
| 430 | 0.9684 in | 24.6 mm | 1.075 in | 18.218 x 8.75 in | 776 g |
| 440 | 0.9909 in | 25.17 mm | 1.1 in | 18.241 x 8.75 in | 794 g |
| 450 | 1.0134 in | 25.74 mm | 1.125 in | 18.263 x 8.75 in | 811 g |
| 460 | 1.0359 in | 26.31 mm | 1.15 in | 18.286 x 8.75 in | 829 g |
| 470 | 1.0584 in | 26.88 mm | 1.175 in | 18.308 x 8.75 in | 846 g |
| 480 | 1.081 in | 27.46 mm | 1.2 in | 18.331 x 8.75 in | 864 g |
| 490 | 1.1035 in | 28.03 mm | 1.225 in | 18.353 x 8.75 in | 881 g |
| 500 | 1.126 in | 28.6 mm | 1.25 in | 18.376 x 8.75 in | 899 g |
| 520 | 1.171 in | 29.74 mm | 1.3 in | 18.421 x 8.75 in | 934 g |
| 540 | 1.2161 in | 30.89 mm | 1.35 in | 18.466 x 8.75 in | 969 g |
| 560 | 1.2611 in | 32.03 mm | 1.4 in | 18.511 x 8.75 in | 1,004 g |
| 580 | 1.3062 in | 33.18 mm | 1.45 in | 18.556 x 8.75 in | 1,039 g |
| 600 | 1.3512 in | 34.32 mm | 1.5 in | 18.601 x 8.75 in | 1,074 g |
| 620 | 1.3962 in | 35.46 mm | 1.55 in | 18.646 x 8.75 in | 1,109 g |
| 640 | 1.4413 in | 36.61 mm | 1.6 in | 18.691 x 8.75 in | 1,144 g |
| 660 | 1.4863 in | 37.75 mm | 1.65 in | 18.736 x 8.75 in | 1,179 g |
| 680 | 1.5314 in | 38.9 mm | 1.7 in | 18.781 x 8.75 in | 1,214 g |
| 700 | 1.5764 in | 40.04 mm | 1.75 in | 18.826 x 8.75 in | 1,249 g |
| 720 | 1.6214 in | 41.18 mm | 1.8 in | 18.871 x 8.75 in | 1,284 g |
| 740 | 1.6665 in | 42.33 mm | 1.85 in | 18.916 x 8.75 in | 1,319 g |
| 760 | 1.7115 in | 43.47 mm | 1.9 in | 18.962 x 8.75 in | 1,354 g |
| 780 | 1.7566 in | 44.62 mm | 1.95 in | 19.007 x 8.75 in | 1,389 g |
| 800 | 1.8016 in | 45.76 mm | 2 in | 19.052 x 8.75 in | 1,424 g |
| 828 | 1.8647 in | 47.36 mm | 2.07 in | 19.115 x 8.75 in | 1,473 g |