Estimated page count
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- Likely range
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- Assumption
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This is an estimate, not a specification. Images, tables, poetry and generous chapter openers all add pages.
Tool 01
Page count estimator.
Not formatted yet? Estimate your page count from your word count, then carry it into the other four tools.
Tools 02 to 05
Your book, measured.
Enter the book once. Spine, cover, margins and royalty update together.
Spine width
- Spine width
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- Spine text allowed?
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Full cover size
- Cover file size
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- In millimeters
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- In pixels
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- Made up of
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Margins and page size
- Minimum inside margin (gutter)
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- Minimum top, bottom and outside margins
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- PDF page size to set
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These are KDP’s minimums. A comfortable page usually needs more. Read our guide to KDP margins and bleed.
Printing cost and royalty
- Printing cost per copy
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- How it is worked out
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- Royalty rate at your price
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- Royalty per sale
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- Lowest list price KDP allows
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At this price the printing cost is more than your share. KDP will not accept a list price this low.
Where the numbers come from
Checked against KDP’s own pages.
Every figure in these tools is taken from Amazon KDP’s published help pages, last checked on 15 November 2026.
- Spine width and cover size: Create a Paperback Cover
- Margins, gutter and bleed: Set Trim Size, Bleed, and Margins
- Printing cost: Paperback Printing Cost
- Royalty rates: Paperback Royalty
Printing cost and royalty are for Amazon.com, standard distribution, on white or cream paper. Other marketplaces use different figures. IngramSpark does not publish a per-page spine figure, so its spine width comes from its own cover template generator. Always confirm your cover size with the platform’s template before you upload.
Let’s work together
Prefer we handle the numbers?
Send us your manuscript details and we will build the files to specification.