KDP MetricFree KDP tools
Quick calculators for KDP authors, built on the same up-to-date KDP rules as the KDP Metric extension. No sign-up.
Every tool runs in your browser — nothing you type is sent or savedRoyalty & price calculator
What one sale earns at any price, format and marketplace, under KDP's current royalty bands.
Open calculatorSales rank to sales
Turn a Best Sellers Rank into an estimated sales range, sized to the marketplace.
Estimate salesDescription formatter
Write your blurb with bold, italics and lists, preview it, and copy KDP-ready HTML within the 4,000-character limit.
Format a blurbKeyword box packer
Paste your phrases; it removes repeats and words already in your title, and fills KDP's 7 boxes within 50 characters each.
Pack keywords