Is the Amazon BSR Sales Estimator really free?

Yes. Every tool on Bookbolt Free Tools is free to use, no signup required. Some advanced tools show a partial result and unlock the full output with a free Bookbolt trial.

Who is this tool for?

Amazon KDP and low-content book publishers who want fast, accurate answers without juggling spreadsheets.

Where does the data come from?

Public Amazon data and well-known formulas. For real-time keyword and niche data, Bookbolt's paid product pulls daily from Amazon.

Amazon Research

Amazon BSR Sales Estimator

Estimate daily Amazon sales from a Best Sellers Rank (BSR) using a public velocity curve. Free.

100% freeNo signupBuilt for KDP

Amazon BSR Sales Estimator

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Best Sellers Rank (BSR)

Marketplace

≈ 46 sales/dayfor BSR 10,000 on the books category

Monthly est.1,380 units

MethodPublic BSR velocity curve

Public estimate only. For real per-keyword and per-category data with daily refresh, try Bookbolt.

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