Free author tools
Free calculators for self-published authors
Quick, no-sign-up tools to plan your pricing and earnings. Built by Chiify — the platform that distributes your books to 400+ stores with 0% commission on paid plans.
Book Royalty Calculator
See what you earn per ebook sale across Amazon, Apple Books, Kobo and Google Play — and how 0% commission changes the math.
Open toolPrint Cost Calculator
Estimate the print cost and your royalty for a paperback, based on page count, colour, list price and retail discount.
Open toolReading Time & Word Count Tool
Turn a word count into reading time, estimated page count, and audiobook length — handy for blurbs and planning.
Open toolReady to publish?
Chiify distributes your ebooks and audiobooks to 400+ stores and 50,000+ libraries — free EPUB conversion, free ISBN, and 0% commission on paid plans. Read the help center or start free.
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