Free tools

Instant, accurate calculators for KDP

No signup, no email. Run the numbers before you price or publish your book.

Kindle royalty calculator

See what you actually keep per sale on the 70% and 35% plans, delivery cost included.

Turn a manuscript word count into a page count for your trim size and font size.

$29 a month, 300 credits, commercial rights on everything you make. Cancel anytime.