Self-Publishing Calculator – Royalty, Rank & Price (for KDP authors)

Calculate royalties, prices and sales estimates for self-published books.

Self-Publishing Calculator works out what a book earns, before you publish or reprice it. Free: - Kindle eBook royalty at the 35% and 70% options, with delivery cost from your file size - Paperback royalty and printing cost for black ink, regular and large trim - Sales estimate from a Best Sellers Rank you type in, shown as a range - 3 saved books Pro: one-time $19 - Every marketplace whose tables we have checked (Amazon.com at launch; other marketplaces coming soon) - Price-point finder: the lowest list price for the royalty you want, and where the 60% paperback rate starts - Price ladder: convert one US price with exchange rates you type, rounded to .99 and kept inside each marketplace's limits - Ads break-even: maximum cost per click and break-even ACoS from your royalty and conversion rate - Unlimited saved books and CSV export Pro is sold to US customers only. Refunds within 14 days, no questions asked. Never reads your Amazon pages. The extension has one permission, storage, and no access to any website. Your books and figures stay in your browser. Figures follow KDP's published tables as read on 2026-11-11; KDP's own report is the final word. Not affiliated with, endorsed by or sponsored by Amazon. Kindle, Kindle Direct Publishing and KDP are trademarks of Amazon.com, Inc. or its affiliates.