What’s inside
| Section | Contents |
|---|---|
| Trim sizes | All 17 standard trims in inches and centimeters, with bindings, large-trim flag and Expanded Distribution eligibility by ink and paper. |
| Page ranges | Minimum and maximum pages for every binding, trim, ink and paper combination KDP offers. |
| Spine | Thickness per page for each paper (in and mm), the hardcover extra and the spine-text rules. |
| Bleed and margins | Bleed size, the gutter table by page count and the minimum outside margins with and without bleed. |
| Printing cost | Flat fees, fixed fees and per-page rates for 14 print marketplaces, regular and large trims, each in its marketplace currency. |
| Royalties and list prices | Print royalty rates and thresholds per currency, the minimum list price rule and the Kindle 35% and 70% price bands with delivery costs. |
| Title limit | New titles allowed per format per week, reset time and start date. |
| Languages | The 47 languages KDP lists, with eBook, paperback and hardcover support. |
Lengths are in inches unless a field ends in Mm or Cm. Money is in each marketplace’s currency, without VAT or sales tax for print. The CSV is in long format: table,id,field,value,unit, one value per row, easy to filter in a spreadsheet.
Sample
"trims": [{ "id": "6x9", "widthIn": 6, "heightIn": 9, "bindings": ["paperback","hardcover"], … }, …]
"pageRanges": [{ "binding": "paperback", "trimId": "6x9", "inkPaper": "bw_cream", "minPages": 24, "maxPages": 776 }, …]
"spine": { "perPageIn": { "bw_white": 0.002252, "bw_cream": 0.0025, … }, … }How it’s checked
The files are generated from the rulebook kdpbook’s layout engine and free calculators use, so the numbers here are the ones that size real books. Each rule was checked against KDP Help and KDP’s cover and royalty calculators on September 26, 2026, the version in the file. The language list was re-read on KDP Help on September 28, 2026. Every source is listed in the file’s sources field and on this page.
KDP changes its rules from time to time. Confirm with KDP’s Print Previewer before you publish.
License
The dataset is licensed under Creative Commons Attribution 4.0 International (CC BY 4.0). You may copy, adapt and redistribute it, for any purpose, with credit to kdpbook.io. Suggested credit:
Data: kdpbook.io (https://kdpbook.io/kdp/data), CC BY 4.0
The rules themselves are Amazon’s, published on KDP Help; this is an independent compilation. kdpbook.io is not affiliated with Amazon.