Did you know you can estimate how many sales any eBook or print book on Amazon is currently selling just by looking at its listing on Amazon? Even better, you can see how many books you have to sell in order to reach a specific rank.

All you have to do is find the Amazon Sales Rank for any eBook or print book on Amazon and type that number into the simple Amazon Book Sales Calculator developed by Skye Chilton.

You can use this handy tool to give you an accurate estimation of how many copies are being sold on Amazon for any eBook or print book, but also to find out how many sales you need in one day or one month to hit a certain bestseller ranking.

If you’re planning a book launch or promotion, this data can help you predict how high your book will…