Spine width for a 500-page 8×10 inch KDP paperback
Last reviewed by Robert Prime — May 2026 Quick answer: For a 500-page paperback at 8" × 10", the spine width is 1.126" (28.60 …
Cover Design
Tags archive — 103 articles
KDP error: Cover dimensions don't match interior trim
Last reviewed by Robert Prime — May 2026 Quick Answer: Your paperback cover dimensions don't match your interior PDF's trim size. Use KDP's …
KDP error: Cover text or critical elements in bleed zone
Last reviewed by Robert Prime — May 2026 Quick Answer: Critical cover elements (title, author name, key images) sit too close to the trim …
KDP error: Cover under 2560×1600 pixels
Last reviewed by Robert Prime — May 2026 Quick Answer: Your cover image is below KDP's resolution requirements. Kindle eBook covers must be …
KDP error: Spine too narrow for spine text
Last reviewed by Robert Prime — May 2026 Quick Answer: Your spine text won't fit because the spine width is too narrow for the chosen font. …
KDP Cover Formatting Guide — Interactive Cover Template Calculator
Last reviewed by The publishing.co.uk Team — May 2026 Enter your book details below to get exact cover dimensions. The visual diagram …
KDP Spine Width Calculator — Calculate Exact Spine Measurement
Last reviewed by The publishing.co.uk Team — May 2026 Calculate the exact spine width for your Amazon KDP paperback. The spine width …