Amazon Sales Rank Calculator


Discover how many kindle books an author is selling by entering their kindle best seller rank:

PS: Make sure you don’t have a comma in your numbers or else it won’t work!

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.

Bonus: Want to increase your Book’s rankings in Amazon? Download my personal guide on increasing your book’s rankings and discoverability on Amazon so you get more sales continuously!
Need a Calculator to figure out how many #kindle #books someone else is selling?Click To Tweet

Would You Like to Have Your Own Calculator on Your Computer?

My team and I just created KDP Rocket, a book idea validation software that not only uses the calculator above, but also helps you to find book ideas that will sell.  It does this by finding popular search terms on both Amazon AND Google plus the following:

  • Tells you how many people per month type the keyword into Google
  • Tells you how many people per month type the keyword into Amazon (SUPER new feature)
  • Gives a score from 1-99 telling you how competitive a kindle keyword is
  • Tells you how much money other books are making
  • Gives you key data so as to beat those books and rank better

Plus this Kindle publishing software works on both MAC and PC.

KDP Rocket is available now for ONLY $97.  We are offering it as a one time fee, but soon it will become a subscription.  So lock in that lifetime access, one-time fee now!
Find Out more Here!


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.

Check it out in action:

How to find the Amazon Best Sellers Rank

You can find a particular ebook’s ranking number under the “Product Details” on any Kindle ebook’s product page:
Shows you where to find the Amazon Best Seller Rank number

Once you have this rank number, place it in

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.

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.

Don’t Forget some Other Kindlepreneur Articles

I hope you enjoyed this free tool, but definitely, check out some of my top articles which will help you in your business:

79 Free Book Promotion Sites To Advertise Your Ebook On – Would you like a list of the top ebook promotion sites, both free and paid.  Well, we did the research and found some top-notch sites out there that are waiting to submit your book to their fans.

Book Copyright Page Examples For Your EBook – Funny how your copyright page might be the most important page you could have in your book.  Is your copyright page setup the right way and is protecting your rights? Or is it useless because you don’t have the necessary legal jargon that will save your hide? Find out there.

How To Choose A Pen Name – Don’t want to use your own name?  No problem.  But don’t just randomly select your pen name either.  Instead, there are some marketing tactics that really help.  Find out here.

Aweber Vs Mailchimp Vs GetResponse Review – You’ll constantly hear self-publishers talk about the importance of an email list…and they aren’t lying. But find out which email service is the best: Aweber, MailChimp, or GetResponse.

Ultimate Guide On How To Start A Publishing Company

 – Learn how to set up your Limited Liability Corporations for your books so that your personal assets aren’t liable and your self-publishing becomes more stable…not to mention the tax incentives.

Scrivener Review – Learn about my favorite writing software and how I like to use it.  See how it compares to word and even get a scrivener coupon of 20% off.

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.

  • 3 things:
    -it won’t be reliable after a big promo; 5 days ago my book sold 80 copies and about 4 a day since that; the calculator shows 14 copies a day
    -it really shows sales+borrows, because both affect the rank
    -I think it overestimates just a tiny bit (see the screen, calc said it’s 14 a day)

    • Sadly, the A7 algorithm that calculates the Amazon Best Seller Rank takes into consideration sales over time with a logarithmic scale. Therefore, the perfect calculation would have to consider the highs and lows over time….which would require the tracking of the information for a certain period of time. This plugin will serve as a go-no-go criterion for keyword and category selection.

      • No tool is perfect without knowing the exact Amazon’s algorithm. For the purpose you’ve designed it, this is the best tool on the Internet.

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  • is this available for the Blackberry Passport as an app?

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  • Syzygy999

    I entered a sales rank, clicked the button, and nothing happened. Is this a browser issue perhaps (I’m using Opera)? Or is the app no longer working?

    EDIT: Never mind. It worked when I removed the comma from the sales rank.

    • Haha….yuyp, was about to say that. I’ll edit the page to ensure that shows up for people. I am also about to shoot a video talking about the program and a more in depth analysis of how the calculation really works. Hope you enjoyed it!

  • Christina Succurro

    is this for real? I’m having copyright issues and looking to find out if the scammer has sold any books

    • Yup…it will help with that because it is based on Amazon’s Best Seller Rank which ranks books based on their sales numbers. So, if they are ranked 80,000, then they have been selling enough books recently so as to beat over 1 million others books out there. Is the calculator completely accurate? No, but its close.

      • Christina Succurro

        on the ranking is in the 600k’s but on it’s in the 8k’s. The .com version is telling me this book has sold less than a copy per day, once i input the .ca digit it tells me 15 per day. Which is accurate and what is the difference?

        • It’s based on .Com and not .ca. The difference is that the rankings are dependant on all the other books in that industry. In “CA” it might only take 12 sales a day to go into 15,000s. But in .com because there are more, it will take something like 22 sales per day. So basically, it depends on what is happening in that market, and how much competition exists in that market.

  • Richard Livitski

    This is a great tool…thanks!

    I’m curious though…

    In your example showing How To Find The Amazon Best Sellers
    Ranking it shows a ranking of #38,121 which is what you highlighted.

    Just below that it shows rankings of #23, #28 and #30 in
    different categories at Kindle. Typing in 23, 28 and 30 shows MUCH higher sales
    daily than 38,121.

    Should I total all the daily sales of these ranking numbers
    to get an accurate daily sales number? Or is the daily sales from the 38,121 ranking
    the only one that I should be considering?


    • Hey Richard! The first number of #38,121 was the Amazon Best Seller Rank. This is a comparison of ALL ebooks. The numbers below that were Category Ranks. That number compairs all books list in that particular category. The calculator above has been calibrated to help you with the Amazon Best Seller Rank. I hope that helps!

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  • Dennis Clause

    I Love this tool…simple and easy to understand…Thank You ..Thank You….Thank You

  • Troy

    Love this tool, but your estimate appears to be about double the reality for rankings between 50k and 70k. The tool calculated 4 sales at a 58k rank but my actuals (according to my publisher) were 2. Any thoughts?

    • Hey Troy, simply put, the calculation for Best Seller rank is not linear and factors in previous sales volume over a period of 24 – 48 hours. Since my program doesn’t track your sales over a period of time, but instead gives a quick snapshot based off of a one time projection, I added in buffer (based on hundred’s of data points from other authors) so as to best represent that ebbs and flows of other author’s books and give a good “estimation.”

      • Troy

        Aha. So am I understanding correctly that significant historical sales would push the current ranking up? That would explain why my sales at a ranking of 50k are about half. It’s a great tool. Thanks for posting this.

        • Yup. That’s the idea. Kind of makes sense when you think about it. Amazon wants the successful books to have a higher rank and not just a book that happens to have all their sales made in a matter of one hour. Thanks! It was quite a challenge, but I do have another free tool coming out soon. Its in beta testing but will help people design better looking book summaries using the allowing CSS. It will be WYSIWYG form, so no need to know how to program CSS and tags into your writing.

        • md pappu

          do you want amazon showing your product 1st page good position then contract with me – a better rank and sales (within 7 days )connect my team
          skype: md.pappu90

  • Hi, thanks for this tool. I guess it relates only to the .com store. In local stores, the sales rankings display different numbers. Any idea how to calculate that? Thank you!

    • Yeah, sadly, that is true. The numbers used to compile the different equations for the plugin were based on the US market.

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  • Just some feedback. I entered my current rank: 25,897 and got a per day number of 11. But my real sales were 6 yesterday and an average of 5 in the last 7 days. It seems like the calculator might need some more tweaking.

    • HI ReadSpeeder. Was that for ebook or book? Also, what are your KENP pages read/KU numbers? And, do understand that the ABSR is updated every 2 hours – not 24 hours. Your six sales yesterday would have been a part of yesterday’s ABSR number.

      The truth is, the ABSR is a time derivative equation that takes into account all sales and downloads in 24 hour period and gets updated every 2 hours. It includes KENP pages read as well. These are things that an initial number can’t take into account for pure accuracy – Instead we created the Kindle Best Seller Calculator to help give you a better indication of what other people’s books are doing so that you can validate future book ideas, check people’s claims and understand trends in the book sales market. I hope it helps.

      • Olesya Kalinina

        Same situation with my book. It is a cookbook and the BSR was changing from 30k to 22k and now to 26k during the last 24 hours. In fact I only made 5 sales. I’ve been checking on your calculator before, and it seems it is not working correctly for cookbooks. And as for KENP – I’ve got 145 pages read yesterday.

        • ABSR updates every two hours, so you’ll see fluctuations. Also, your reported books will occur the next day, so compare what you see in KDP tomorrow to the numbers you see on ABSR of today. Also, ABSR is a time derivative number. It’s actually based on sales over the past couple of days….actually more of a logarithmic scale. So, to help give instant numbers, we even the playing field to create something that’s middle ground. But, you’ll also find that Author Earnings and our numbers are about dead on.

    • Creldarix

      I agree, I entered my numbers and I think it’s not covering all the bases either. I think time on the market is a factor, reviews, and who knows what other mystical things.

  • Ayodeji Awosika

    Hey Dave,

    LOVE the revamped calculator. Thanks for continuing to provide insanely detailed and helpful tips with us. Too bad your emails keep going into my promotions folder. I drag them out and everything.


    Keep up the good work.

    • Hey Ayodeji, that’s a bummer my emails keep doing that. I’ve thought about switching to a plain text version so as to have less chance of going to promotional boxes…but then I lose uniqueness in the look and style. Anyways, thanks for the love and we’ll keep at it.

  • Charles Davis

    Kindle volume versus ranking seems strongly dependent on price. My wife’s Kindle book, at $17.99 on the 35% royalty deal, can get in the 15,000s with sales of two or three. My book, at $9.99, on the 70% royalty, will get to 15000 with about 6 sales. Dave calculator say 15000 means sales of 14 book.
    Dave needs to add a price inputs, and possibly a selection of royalty deal.
    Further, estimating print books from kindles is fraught with peril. First, price is all important. Second, format matters. A picture oriented book will do relatively less well on Kindle. My mostly text paperback is roughly 1.5 print books at $16.74 to each kindle book at $9,99. My wife’s book is a $32 cookbook and she sells 3:1 more print than Kindle.

    • Hi Charles. Great observations, but the Amazon Best Seller Rank does not account for the chosen price of a book (except for free – they get their own Rank structure). What you might be seeing is the time independent structure of the ABSR. ABSR does not work in an 24 hour metric of “how many books were sold within the one day period.” Instead it tracks the overall sales over time and weighs the most recent sales strongly.

      Example: Say your book hasn’t sold at all for the past 3 weeks. Then, all of a sudden, within a 2 hour period (ABSR updates every 2 hours mostly) 5 books are sold. Your ABSR will not improve as much as say….someone who sold an average of 1 book per day, and then all of a sudden sells 5 the next day. That person will have a much better ABSR than yours.

      The bummer part about my free calculator above is that it doesn’t track books over time and thus doesn’t account for previous sales. Instead, it gives an instantaneous value to help give people instant results. Our value was actually calculated over 1000’s of data points and thus created the average you see. Statistics…gotta love it.

      • Hey Dave?

        I’m loving this tool for research but I’m curious if you could expound on the Rank Structure for FREE books, as i have 2 perma-free books to generate traffic??

        • The rank structure for free books is different from the Kindle one and the Book one as well – all three are different. I can’t say for sure what that is because the free one is ALWAYS in flux. Unlike Kindle and Book ranks, which only add new products every day, the free one fluctuates with books on and off at time. Therefore, it’s near impossible for anyone to track due to the large beta.

  • catpea33

    Not sure if it’s just me but the button doesn’t seem to be doing anything. No commas in my number…

    • Yeah, I’m actually in the process of updating the numbers and adding another feature to it…so you caught me while I was/am working on the code. Should be ready and shinny by tomorrow. I’m always working to make this stay up-to-date and current with the changes in Amazon.

  • md pappu

    Hi, If any one need to showing your product amazon 1st page then contract with me – skype – md.pappu90
    better rank and sales (within 7 days )connect my team skype: md.pappu90

  • I’m using this calculator everyday! Thanks so much

  • Alison Page

    Hmm, I put my ranking in, 16300, and the calculator reckons 4 per day. The book’s actually sold 3 copies in a week. So not an accurate tool at all it would appear.

    • Hi Alison, actually, come back tomorrow and let me know…because the Amazon Best Seller Rank is based on today’s metrics whereas your sales only show up to yesterdays. And there is NO WAY you have a 16300 ABSR but have only sold 3 copies this month.

      Here are also a couple of reasons why that may be off:
      1. Did you get the right number? The is the Amazon Best Seller Rank…not the rank for a category (See picture above)
      2. ABSR is also affected by Kindle Select downloads and KU pages read.

      • Alison Page

        Hi Dave, thanks for your reply.

        I still don’t get it. The ranking today is showing as 53,000 and it’s definitely the right figure that I’m using. The calcuator shows 5 book sales a day – I wish! So far it’s sold 3, total.

  • Paul Mannering

    Hi Dave. I gotta say I’m still struggling with the logic of this. I’m keen to understand how it works – so I can moderate my expectations accordingly.

    If at any given time your calculator estimates that I am selling X books due to it’s current (at that particular time) sales rank – then is that an accurate (within tolerance) estimate of the number of books that should be sold during a 24 hour day – provided that the sales rank doesn’t change dramatically during that 24 hour period?

    It would seem that if the calculator says I’m selling (for example) 10 books a day – then 8 hours later (for example) it says I’m selling 8 books a day – I would expect that the probability is during that 24 hour period – I sold somewhere around 8-10 books.

    Allowing for the 2 hourly updates of the ABSR it would seem that a random check of my ABSR during a 24 hour period would show a massive variance in ranking through out that period to balance out the high daily ranking.

    I have seen the tables provided by indie authors where they equate their sales rank to their sales figures and that doesn’t match my experience either.

    My only source of truth at the moment is the quarterly royalty statement from my publisher which lists the number of ebook copies sold in total between the two statement dates.

    If you could create an app that automatically checks a books ABSR every 2 hours and records that data – I’d pay for it 🙂

  • KU grossly skews your ranks.
    It only shows how much importance Amazon puts into pages read.

  • Vicente Morales

    Great tool. Is the Kindle Best Seller Rank affected at all by KU? If an author’s KBS rank gives a figure of 15 books per day in the calculator, and that book is also part of KU, does that mean the 15 sales per day are separate from KU borrows/page reads? Or is the KU stuff already factored into the Best Seller Rank?


  • Marie Petroff


  • Marie Petroff

    How do the Kindle Books and Books results relate?

    If I enter an ABSR of 1994, I receive 65 book sales and 90 Kindle sales. Do the two results represent total sales? I don’t want to overstate competitor sales in potential market size for my publication submissions.

  • Janie Ellington

    Hi Dave,

    Awesome! It’s gonna help me to step further in my book selling strategy. I’ll test it out for few days to learn about it more. I am using for my products sales estimates. Its a nice sales estimator but doesn’t seem like working on books. So, I’m definitely going to give it a try. I’ll be back when needed help. Thanks

  • BJ Phillips

    So has the calculator stopped working?


Hey Guys, I’m Dave and when I am not sipping tea with princesses or chasing the Boogey man out of closets, I’m a Kindlepreneur and digital marketing nut – it’s my career, hobby, and passion.


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