Starting point
Choose book type, paper, pages, and store.
Estimate margin, print cost, minimum price, and break-even ACOS for paperback and hardcover.
The royalty calculator helps avoid unsustainable prices and shows how much margin remains after costs and fees.
Estimated margin per copy.
Production cost.
Directional ads threshold.
Estimated margin per copy.
Choose book type, paper, pages, and store.
Move price and observe royalty changes.
Use minimum price and ACOS to decide.
Choose book type, paper, pages, and store.
Royalty: Estimated margin per copy. Print cost: Production cost. ACOS: Directional ads threshold.
Use minimum price and ACOS to decide.
Each page explains the practical value of the tool: when to use it, what it checks, and what output it brings into the workflow.
Estimate cost by format, pages, paper, and marketplace.
Show what remains after Amazon fees and production costs.
Understand how far ads can be pushed.
The tool should not just show data: it should help you understand the next step.
Price, printing, Amazon fees, and estimated margin.
Choose book type, paper, pages, and store.
Move price and observe royalty changes.
Use minimum price and ACOS to decide.
Estimated margin per copy.
Production cost.
Directional ads threshold.
These tools complete the analysis or move the output into the next phase.
Book Sales Calculator helps quickly interpret a competitor BSR and understand whether the market looks commercially interesting.
Import KDP reports, compare books and formats, and track sales and royalties over time to prioritize pricing, ads, and catalog decisions.
Compare demand, competition, and catalog maturity to turn a broad category into a concrete shortlist of micro-niches and books to investigate.