Free Kindle Sales Calculator App

By on February 26, 2015

Check out our free Kindle sales calculator: JHOMFcalc. This free app calculates your monthly royalty payments based on Kindle Rank, book price, and royalty rate. Since it is a web app (non-specific to Apple or android), it works in browsers, on iOS (Apple), and Android devices. However, you must have JavaScript enabled for this calculator to function.

The app includes an “About” button that explains the calculations and an “Installation” button that tells you how to “install” the app on your Apple or android device. The “install” is really just a link on your phone/tablet to the online app, so it takes up minimal space.

I had a lot of fun writing this app, and I hope it is useful to you!


(The link to the calculator is in our main category menu on the right.)





Software engineer, infrastructure engineer, Kindle author, and webmaster for

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