Free calculators for the numbers every author asks about: royalties, page count, word count and launch timing. No sign-up needed.
Estimate what you earn per copy on Amazon KDP for eBook, paperback and hardcover, and compare it with a typical traditional publishing deal.
Turn your word count into an estimated page count, spine width and full cover size for paperback printing.
Check whether your manuscript is in the typical range for its genre, and how long it takes to read.
Pick your release date and get a week-by-week launch checklist, from final edits to launch week.
Test a working title for length, clarity and how well it reads as a thumbnail, before you commit to a cover.
Answer four short prompts and get a draft back-cover description in the structure that sells on Amazon and in bookstores.
Find out how many ISBNs your book needs and check whether an ISBN-13 is valid.
Pick the services your book needs and get an indicative budget range before you request a quote.