Amazon Book Sales Calculator: How Much Does a Best Seller Make?

Earnings per day :
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books per day
less than a book a day

Click here to learn how to INCREASE your Amazon Best Seller Rank!

Want to increase your Book's rankings on Amazon? Download my personal guide on increasing your book's rankings and discoverability on Amazon so you get more sales continuously!
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See also my Audiobook Sales Calculator, which is just like this one, but for audiobooks.

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This Kindle Sales Rank Calculator has been created as a free tool for you to use and even put on your own author website. Its intentions are not to undermine Amazon in any way, but to instead help authors understand the connection between Amazon’s Best Sellers Rank number and Kindle ebooks sold per day. This course will help you maximize that relationship and find more keywords to help you advertise and sell your books.

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How to Use the Amazon Sales Rank Calculator

Start by inserting the Amazon Bestselling rank number in the plugin above. Once you have it typed in, hit the button above “Click Here.” Within milliseconds, you will have a neatly calculated “Kindle Sales Per Day” Number.

Let's take a look at an example:

Here we have Battlefield Earth, a classic science fiction book (the movie, not so much). On the surface, this looks like a pretty successful book, with over 3000 reviews, a variety of reading formats, and an awesome cover. And it is! It has been a best seller for decades now. But how many copies is it selling today? What does it's monthly sales look like? That's what we can find out with this BSR calculator.

Step 1: Make sure you have either the Kindle Version or the Hardcover/Paperback selected.

Step 2: Scroll down until you find the Product Details section. Here with Battlefield Earth, we find that the book sales rank (as of this writing) is 98,787.

best sellers rank for Battlefield Earth

Step 3: Input that number into the Amazon Book Sales Calculator to get the daily sales volume. For Battlefield Earth, it looks like that Amazon Kindle bestsellers rank means that, at the time of this writing, that book is averaging only about 1 sale per day.

battlefield earth sales

Step 4: Repeat for any Amazon product listing that you want, as long as it is a book.

Does this mean that Battlefield Earth isn't a bestselling book? Well, not necessarily. All this means is that, at this point in time, it's only making about 1 sale per day in Kindle only. You can repeat this process for the print book (paperback or hardcover), just remember to use “Books” instead of “Kindle Books” when you enter the number into the Amazon sales estimator.

Plus, there's Audible, other retailers, and much more to consider. This is why it's important not to put all of your eggs in one Amazon KDP basket, at least not for the long term.

Want to see more of this Amazon Best Seller rank in action? Check out this video:

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What is BSR on Amazon?

BSR stands for Best Sellers Rank (it is also sometimes referred to Book Sales Rank), and refers to the ranking that you will find under the Product Details section of a book sales landing page on Amazon. The closer to 1 you get, the more sales you are making.

How is BSR calculated?

BSR is calculated based on the number of sales you are making when compared to other authors. It is a complex algorithm that also takes steady sales vs spiked sales into account. Basically, if you show steady sales over a month, your sale rank will be higher than if you got all those sales at once.

How can I improve my Amazon BSR?

The best way to improve your Amazon BSR is to develop steady sales of your book over time. This will lead to the Amazon Popularity Effect, which will increase the amount of promotion that Amazon is willing to give you. Over time, this will lead to an increased royalty.

How to find the Amazon Best Sellers Rank

Shows you where to find the Amazon Best Seller Rank number

You can find a particular ebook’s ranking number under the “Product Details” on any Kindle ebook’s product page:

However, keep in mind that the above screenshot shows you the rank for “Paid in Kindle Store”. If, instead, you see “Free in Kindle Store” that means that the Kindle version of that book is actually free, which means it has a separate Amazon sales ranking system. Understand that the data on each free book sale is different, and won't be accurately reflected in this Amazon Best Seller calculator.

Additionally, if you are looking at the Paperback or Hardcover print book version, it will say “in Books” instead of “in Kindle”.

But What About Kindle Unlimited? Do Those Count as Sales?

Yes, Kindle Unlimited “borrows” count exactly the same as book sales when calculating the best seller rank. That is why it is difficult to use a royalty estimator to calculate how much money you're making. Because sales can also mean borrows, and the amount of royalties you'll get from either one will be different.

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How to effectively use the KDP Calculator Numbers

Knowing the numbers is great, but knowing how to use them or when to use them can really take you to the next level.

The following are a couple of ways or situations in which the calculation can come in handy:

Check for Kindle Keywords or Categories

As you do your research to find effective keywords for your ebook’s sales page, this calculator can help to tell you if the results in a keyword search are profitable. You don’t want to target a Keyword phrase or Category that isn’t making sales.

See my comprehensive articles on finding Kindle Keywords and Categories.

Check Another Author’s Credibility

Sadly we operate in a self-publishing world where many marketers make false claims. I am sure we have all heard it… “yeah, I make 6 figures with my books every month” or something along those lines. If that is the case, go ahead and plug their ebook’s rank number into the plugin and see what comes up. Be careful though, the rank number changes frequently.

Kindle Sales Rank Goals

Just being able to see the target “books per day” can be a real difference maker and help an author set up their publishing goals. Instead of being a mythical number, you can now have a better understanding of what to expect and what is attainable.

FAQ About Amazon Rankings

In addition to the Amazon book sales calculator and everything mentioned above, you might have more questions about how amazing calculates its Amazon best seller ranking. Read on for a few frequently asked questions:

Can you tell how many copies of a book have sold on Amazon?

Yes, using the BSR to sales calculator on this page, you can see how many estimated copies of any book are being sold today. Using a program like Publisher Rocket will give you further insights into how many royalties they are making, along with how competitive their keywords and categories are.

How do you calculate book sales?

Using a sales predictor like the above Kindle Sales Rank Calculator, or a tool like Publisher Rocket, you can get an accurate idea of how many books it is selling each day. From there, you can make an educated guess at how many royalties the book is making based on its price and how much Amazon takes out.

How does Amazon calculate best selling books?

Amazon calculates the best selling rank based on the number of books that are selling, both in a single day and steady sales over time, and compares that with other books in its store. The BSR is updated hourly by Amazon so it is very up to date.

How many books do you need to sell on Amazon to be a bestseller?

This depends on your definition of success. For a traditional publisher, you'd need to sell approximately 10,000 copies over it's entire lifetime. For indie publishers, breaking into the top 1000 in Amazon's sales rank is a pretty successful book. However, you want to make sure those sales are steady.

What is a good Amazon sales rank?

Obviously, the best Amazon sales rank is #1. But generally speaking, a good sales rank is anything under 1000. If you can get into the top 1000 ranking books, you will be selling over 100 copies of your book each day, which adds up if you can keep it there. That is why steady sales are so important.

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Don't Forget some Other Kindlepreneur Articles

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Scrivener Review – Learn about my favorite writing software and how I like to use it.  See how it compares to word and even check out a list of scrivener coupons which includes discounts up to 30% off at one of the best scrivener blogs on the market, Scrivenerville.

List of Best Software for Writing – Check out the best book writing software out there to include Scrivener, Word, Ulysses, Ywriter and more.  See them side by side and check out how they are different from them and which will help you to write your book.

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Disclaimer: The KDP sales numbers are an estimate based on research and other authors recorded numbers. Amazon does not directly release this information. And as any Kindlepreneur product, we are not affiliated with Amazon or Kindle.

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