Free tools for self-publishers
Five calculators that answer the questions every self-publisher has before pressing Publish. No account, no email, just numbers.
Kindle royalty calculator
Enter list price, file size and monthly sales to see what Amazon KDP pays per copy, per month and per year at 70% or 35% royalty, delivery fee included.
KDP pricing recommender
Get a suggested Kindle price and range from your book length, type and goal, with the royalty you keep at that price and why.
Ebook cost calculator
Add up editing, cover, formatting and your own time to see the real cost of producing one self-published ebook, and how many copies you need to break even.
Platform comparator: KDP vs Etsy vs Gumroad vs Payhip
Compare what you keep per copy on Amazon KDP, Etsy, Gumroad and Payhip at your price, with each platform’s published fees applied.
KDP AI disclosure helper
Answer four questions and find out whether Amazon KDP requires you to disclose AI-generated text, images or translations in your book, and how.