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
How we calculate this
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
| Step | What 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. |
Related
Related pages and tools
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.
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KDP Cover Calculator and Templates
Official KDP calculator and downloadable print cover templates.
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KDP Paperback Submission Guidelines
Official KDP paperback cover formulas for bleed, cover width, cover height, safe area, and spine measurements.
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KDP eBook cover image requirements
Official KDP eBook cover image quality guidance.
Last checked: 2026-05-03