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KDP Cover Size Calculator
Get the exact spine width and full cover dimensions for any KDP book.
24828
Spine Width
0.2702"
Full Width
17.5202"
Full Height
11.2500"
Formula: Spine = 120 pages × 0.002252 (white paper) = 0.2702"
Full Width = 8.5" × 2 + 0.2702" spine + 0.25" bleed = 17.5202"
Full Width = 8.5" × 2 + 0.2702" spine + 0.25" bleed = 17.5202"