Inkswell Wright
Free tool

Book pricing & royalty estimator

Compare estimated royalties per sale across formats using clearly stated assumptions.

Estimated royalty per sale
$3.19

70% of list price

Assumed costs per sale
$0.30

Delivery

Per 100 sales
$319.00

Assumptions effective 2026-01-01. Example assumptions for illustration. Replace these with the current published terms of the platforms you use and update the effective date.

This is an estimate, not financial advice or a statement of any platform's terms. Royalty rates, delivery fees, printing costs, taxes and currency rules change and differ by marketplace. Always confirm figures in your publishing dashboard.

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