KDP Cover Size Calculator

Summary

KDP cover 12.52 x 9.25 in; spine 0.27 in; pixel canvas 3756 x 2775 px

Details

  • Formula: back cover + spine + front cover + 0.25 in outside bleed
  • Spine multiplier: 0.002252 in/page
  • Front: 6 × 9 in; Back: 6 × 9 in

Warnings

  • Use the official KDP template generator before upload.
  • Do not add crop marks or white borders around the one-page PDF cover.

Formula used

inches = pixels / DPI, pixels = inches × DPI, and effective DPI = pixels / print inches.

Limits and warnings

FAQ

Is 300 DPI always required? No. 200–240 DPI can be acceptable for many prints, and 150 DPI can work for posters viewed farther away.

Do these tools upload files? No. Image checks run in your browser and are not uploaded.

Sources and last updated: KDP cover setup guidance. Last updated 2026-05-23.