KDP Formatting

Complete KDP paperback cover showing the back cover, spine, front cover and bleed

KDP Cover Size and Spine Width Explained: A Complete Paperback Guide

Learn how to calculate a KDP paperback cover’s full dimensions, including the back cover, spine, front cover and bleed—and avoid common sizing errors.

Jul 10, 2026 · 13 min read

Open book showing KDP trim size, bleed, margins and gutter areas

KDP Formatting

KDP Trim Size, Bleed and Margins Explained: A Beginner’s Formatting Guide

Learn how trim size, bleed, margins and gutter work when formatting a paperback or hardcover for Amazon KDP—and how to avoid common upload errors.

Jul 10, 2026 · 10 min read