• For Saddle Stitch and Coil Softcovers: There is no spine for these binding types.
  • For Perfect Softcovers: (Page Count / 444) + 0.06 = Spine Width in inches or for Comic Books and Magazines: (Page Count / 460) + 0.06” = Spine Width for 460 PPI paper
  • For Casewrap Hardcovers: See Spine Width Table below:


Page CountSpine Width (Inches)Spine Width (mm)
0-24N/AN/A
24-840.256
84-1400.513
140-1680.62516
169-1940.687517
195-2220.7519
223-2500.812521
251-2780.87522
279-3060.937524
307-334125
335-3601.062527
361-388
1.12529
389-416
1.187530
417-444
1.2532
445-472
1.312533
473-500
1.37535
501-528
1.437537
529-556
1.538
557-582
1.562540
583-610
1.62541
611-638
1.687543
639-666
1.7544
667-694
1.812546
695-722
1.87548
723-750
1.937549
751-778
251
779-800
2.062552
8002.12554