Ebook royalty
70% up to $12.99
70% of the list price minus $0.15 per MB delivery, for prices from $2.99 to $12.99 on Amazon.com. Outside that range: 35%.
Free · No signup · No AI
Free KDP Calculators for 2026
Work out your royalties, your cover file size and your printing costs with the current Kindle Direct Publishing rules. Every formula is checked against KDP's Help pages.
Rules checked on . The 70% ebook band is now $2.99–$12.99 (since July 7, 2026).
KDP Royalty Calculator
What you earn per ebook and paperback sale, and per Kindle Unlimited read. Advanced: what one reader is worth across a series, and the most you can pay for an Amazon ad click.
Calculate royalties →KDP Cover Calculator
The full-wrap paperback cover size with bleed and the spine width, in inches, millimetres and pixels at 300 DPI, with a to-scale layout.
Size your cover →KDP Printing Cost Calculator
Printing cost for paperbacks and hardcovers in 8 Amazon marketplaces, your royalty at your list price, and the lowest price KDP allows.
Check printing cost →KDP numbers worth knowing in 2026
Print royalty
60% from $9.99
Paperbacks and hardcovers earn 60% of the list price from $9.99 and 50% below it, minus the printing cost.
Spine width
0.002252" / page
On white paper. Cream is 0.0025" per page, so a 300-page cream paperback has a 0.75" spine.
FAQ
Which KDP calculators are on this site?
Three free tools: a KDP royalty calculator for ebooks, paperbacks and Kindle Unlimited; a KDP cover calculator for the full-wrap paperback cover size and spine width; and a KDP printing cost calculator for paperbacks and hardcovers in 8 Amazon marketplaces.
Are these KDP numbers official?
They use the formulas and tables published on KDP's Help pages, which we check and date on each calculator. KDP's own title setup and reports are the final word, and anything we couldn't confirm on an official page is labelled as an assumption.
What changed in KDP royalties in 2026?
Since July 7, 2026, ebooks priced up to $12.99 on Amazon.com can earn the 70% royalty (the limit used to be $9.99). Paperbacks and hardcovers earn 60% of the list price from $9.99 and 50% below that, minus printing.
Do the calculators cost anything or use AI?
No. They're free, need no signup, and use plain math with no AI. The numbers you type stay in your browser. See the AI policy and Privacy & cookies.