Spine Calculator
Exact KDP spine width
AI Cover Generator
Generate concepts with AI
Canva Fix Tool
Fix dimensions instantly
Preflight Checker
Validate before upload
Book Mockup
3D book previews
Cover Templates
Ready-made layouts
Coloring Book Maker
Low-content covers
AI Coloring Interior
Generate interior pages
Pen Name Generator
Find your author name
BSR Calculator
Estimate sales rank
Get the exact spine width and full cover dimensions for any KDP book.
Spine Width
0.2702"
Full Width
17.5202"
Full Height
11.2500"