Amazon Sales Estimator: Know Exactly What Sells and How Fast

Frequently Asked Questions

Looking for answers? Check out our FAQs below!

• What is the Amazon Sales Estimator?

  The Amazon Sales Estimator is a free tool that helps sellers understand how many units a product is likely to sell per day based on its Best Sellers Rank (BSR) and the category it belongs to. Sales patterns on Amazon vary widely between categories. A BSR of 500 in Beauty means something completely different from a 500 in Tools or Home Improvement.
  
  This tool gives you a quick sense of how much daily demand there is for any product listed on Amazon. Whether you're validating a product idea or trying to understand how competitive a niche is, the Amazon product sales estimator gives you a reliable benchmark to work with. It’s especially useful when trying to spot trends, size up competition, or plan inventory.

  

• How does the Amazon Sales Estimator work?

  The estimator works by mapping Amazon’s Best Sellers Rank to actual sales data within a category. Every product listed on Amazon receives a dynamic rank based on how well it performs in relation to others in its category. The Amazon sales estimator analyzes this rank and pairs it with category-specific conversion patterns to project estimated daily sales.
  
  Because sales velocity is different for each category, the estimator adjusts accordingly. For example, the top 100 ranks in a fast-moving category like Health and Household might represent hundreds of sales per day, whereas in a niche like Industrial Supplies, the same ranks may mean far fewer daily units.
  
  The tool pulls from historical trends and marketplace behavior, so it’s constantly evolving to match how real Amazon sales volume shifts across the board. If you're looking to estimate Amazon sales accurately, this category-specific logic makes all the difference.

  

• How do I find Amazon’s sales rank?

  To find the sales rank of any product, head over to Amazon and search for the product you’re interested in. You don’t need to enter the exact name—just find the product page. Scroll down to the section labeled “Product Information” or “Additional Details.” There, you’ll see a line called “Amazon Best Sellers Rank.”
  
  This will usually appear as a number followed by a category name. For example, #1,204 in Sports & Outdoors. That’s the number you’ll plug into the Amazon sales estimator tool along with the category name to get an estimate of daily sales.
  
  If your product is new and hasn’t made any sales yet, it won’t have a rank. In those cases, you can use the estimator to evaluate similar competing products to get an idea of what kind of volume you might expect once sales begin.

  

• How accurate is the Sales Estimator?

  The Amazon sales estimator is designed to offer close-to-reality sales predictions by analyzing thousands of product ranks across multiple categories and matching them to actual sales behavior. While it doesn't claim to be perfect, the tool provides reliable directional data that sellers can use to make confident decisions.
  
  Accuracy can depend on the type of product, the competitiveness of the category, and how frequently a product's rank changes. For fast-selling items or trending products, the rank can fluctuate more frequently, which may cause small variations in estimates. That said, the estimator is most accurate when used to evaluate average performance over a range of days or when comparing multiple listings within the same category.
  
  If you're using it to plan stock levels, assess a new niche, or back-calculate what your competitors are doing, the tool gives you a strong, data-backed starting point.

  

• How many free estimates do I get?

  You can use the free Amazon sales estimator as many times as you need. There are no usage limits or login requirements. You can test multiple categories, explore different BSR values, or evaluate several products at once without ever hitting a cap.
  
  This makes it ideal for sellers who are still in the product research phase or are managing several potential ASINs and want quick insights without committing to software. It’s a no-risk way to estimate Amazon sales volume and fine-tune your product shortlist before investing more resources.

  

• How many estimates do I get with a SellerApp plan?

  With any SellerApp plan, your access to the Amazon sales estimator remains unlimited, but you also unlock more advanced functionality. Instead of checking one product at a time, you can run bulk estimations across dozens of BSRs and categories simultaneously. You also get access to trend tracking, market intelligence, keyword performance, and historical movement of rankings.
  
  This is especially useful for experienced sellers or agencies managing multiple ASINs or storefronts. You’re not just estimating daily sales—you’re combining that with pricing, profitability, competition, and seasonality to build a full-scale growth strategy.
  
  If you're scaling or optimizing an existing catalog, SellerApp helps you move beyond surface-level estimates into fully actionable insights.

  

• What is the difference between the Sales Estimator and other SellerApp product research tools?

  The Amazon sales estimator is built for quick, targeted checks. It tells you how many units a product is likely to sell per day based on rank and category. That’s it. It’s fast, simple, and perfect for rapid evaluations or back-of-the-napkin calculations.
  
  Other SellerApp tools go much deeper. The product research dashboard lets you analyze keyword trends, seasonality, pricing history, listing performance, and much more. You can uncover high-opportunity niches and even specific products. Additionally, you can understand what’s driving clicks and conversions, and benchmark your listing against the competition.
  
  While the sales estimator helps you answer “how many units does this product sell per day,” the full SellerApp research suite helps you answer “should I enter this market, how, and when?” Used together, they give you both the tactical and strategic view you need to win on Amazon.