KDP Cover Calculator

Accurately calculate your paperback and hardcover cover dimensions for Amazon KDP, including bleed and spine width. Supports custom sizes and provides a visual guide.

Book Details

Trim Size (Width x Height)

Width

Height

Page Count

KDP requires a minimum of 24 pages for print books.

Paper Type

Spine thickness varies by paper type.

Cover Type

Hardcovers have slightly different bleed/margin requirements and spine calculations.

Units

Inches (in) Centimeters (cm) Millimeters (mm)

Calculation Results

Enter your book details and click 'Calculate' to see the dimensions.

Cover Preview

Your cover diagram will appear here.

My Library

No saved calculations yet. Click 'Save' after calculation to store your dimensions.

Calculation History