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Publishing platform sizes

Amazon KDP Cover Sizes

Amazon KDP cover sizes for eBook covers, paperback covers, hardcover covers, trim sizes, bleed, safe area, and spine-width formulas.

Last checked: 2026-05-03

Source confidence: Official Last checked: 2026-05-03 Source: KDP Cover Calculator and Templates Specs may change; verify before final campaign upload. Found a spec change? Send correction.

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Methodology and source handling

We check official platform documentation first and label practical production targets when no exact public spec exists.

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Amazon KDP Cover Sizes entries

KDP print covers are not one fixed size: cover width depends on trim width, page count, paper type, binding, and bleed. Start with the matching KDP page, then use the calculator before building final art.

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Workflow

KDP cover sizing workflow

StepWhat to decide
Format Choose eBook, paperback, or hardcover before creating artwork.
Trim size Pick the finished interior trim size, such as 6 x 9 in or 5 x 8 in.
Page count and paper Use the final formatted page count and paper type to calculate spine width.
Bleed and safe area Extend background to bleed and keep text away from trim and spine edges.

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Source

Official source

KDP eBook cover guidance uses a fixed image target; paperback and hardcover covers must be calculated from trim size, bleed, page count, and spine width.

Last checked: 2026-05-03