Book Cover Size Calculator
Calculate exact cover dimensions for Amazon KDP. Get spine width, bleed area, and pixel dimensions at 300 DPI.
Full Cover Size
12.700" × 9.250"
3810 × 2775 px (at 300 DPI)
Spine Width
0.450"
11 mm
Bleed
0.125"
all sides
Trim
6" × 9"
Visual Layout
Back Cover
Spine
Front Cover
KDP Requirements:Minimum 300 DPI, RGB color mode, PDF or TIFF format. Bleed must extend 0.125" beyond trim on all sides. No content in the bleed area except background images/colors.