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Free tools · No signupFree Tools for Authors and eBook Creators
Instant, accurate calculators for KDP royalties, Kindle Unlimited earnings, pricing strategy, and word-count planning. Built by the getebook.ai team. No email required.
Royalty & Earnings
Kindle Royalty Calculator
Calculate your exact KDP royalty per unit across the 70% and 35% tiers — including delivery fees, monthly earnings, and annual projections.
Open calculatorKENP Earnings Estimator
Project your Kindle Unlimited revenue using real page-read rates, accounting for KENPv2 normalization, read-through rates, and monthly borrow volume.
Open calculatorSelf-Publishing Cost Calculator
Add up what it actually costs to self-publish — editing, cover, formatting, marketing — and see how many sales it takes to break even.
Open calculatorSelling & Distribution
Your knowledge is worth more than you think.
Tell Booker your idea, watch it build your ebook, then go Pro from $29/mo to download and sell it.
Start building, freePlans from $29/moCancel anytimeYou own everything