KDP Calculators
KDP Spine Width Calculator
Calculate exact KDP paperback spine width from page count and paper type. Free.
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KDP Spine Width Calculator
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0.450″ (11.4 mm)200 pages × 0.002252″ per page
Per-page thickness0.002252″
Spine width0.450″ (11.4 mm)
Spine in points (72/in)32.4 pt
Keep spine text 0.0625″ (1.6 mm) clear of the spine edges to avoid trimming.
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