Margin & gutter advisor

The exact margins KDP wants.

Your inside (gutter) margin grows with page count, and getting it wrong is the most common reason KDP rejects an interior. Enter your page count and set your margins right the first time.

Final page count

Does your book bleed to the edge?

Coral = your text area. The striped left edge is the spine (gutter) side.

Minimum inside (gutter) margin

—

at your page count

Outside margin (top, bottom, outer)—

Bleed on outer edges—

Your page count—