The best Amazon FBA fee calculator is Amazon’s own, and it is free. It is called the FBA Revenue Calculator, it sits inside Seller Central with a public version for the US marketplace, and it estimates the referral fee, the fulfillment fee and storage cost for any product, side by side with what fulfilling it yourself would cost. For a quick answer to “what will Amazon take from each sale”, nothing else is as current, because it uses Amazon’s own fee tables.
What you receive is an estimate of charges, not of profit. Several genuine expenses never surface there, and the gap between its “net” figure and whatever reaches your bank is precisely where many sourcing decisions unravel. This guide covers how to use it, what each field means, what it leaves out, how to use it as an FBA vs FBM calculator, and when third-party calculators are worth it.
How to use the Amazon FBA Revenue Calculator
- Open the tool. Reach it via Seller Central, or through the public page Amazon hosts for your marketplace.
- Locate the item. Search by ASIN, name or barcode. For something not yet sold there, borrow a comparable listing from the same category, then overwrite its dimensions and weight with yours.
- Enter a realistic price. Use what you expect buyers to actually pay after routine discounting, not an aspirational sticker.
- Add your costs. Cost of the product per unit and, for FBA, the cost of shipping each unit into Amazon.
- Fill the “your fulfillment” column if you want an FBM comparison: your own packaging, labor and outbound shipping per order.
- Read the output. Charges, proceeds and margin appear for each shipping method.
Verify the dimensions and weight before trusting anything else. Handling charges depend on size tier and shipping weight, and tier assignment derives from the packaged item. If you are modeling a product that is not listed yet, measure it in its final retail packaging. A box fractionally too large for its bracket raises the cost of every unit you’ll ever ship, which is why I’d design packaging around those boundaries from day one.
What the calculator includes
| Line | What it is |
|---|---|
| Referral fee | Amazon’s commission, a percentage of the total sales price set by category, with a per-item minimum |
| Fulfillment fee | Picking, packing and shipping to the customer, by size tier and weight |
| Storage cost | An estimated monthly storage cost per unit, based on product volume |
| Closing fee | An additional fee for media categories such as books, where it applies |
| Net proceeds and margin | What remains after those fees and any costs you entered |
The referral fee applies to the total sales price, including any shipping you charge, which I think trips up more FBM sellers than any other line. Our guide to Amazon referral fees explains what the percentage attaches to.
What the Amazon FBA fee calculator leaves out
This is the section I’d read twice. Something can look lucrative on screen and bleed cash in reality, purely through omissions.
Advertising. For most private label goods, promotion ranks among the heaviest per-unit burdens, yet no line exists for it. I’d attach an ad spend per sale before believing any margin.
Returns. Refunds, processing, and merchandise that comes back damaged. In apparel especially, this can dwarf the difference between the two shipping options.
Inbound shipping beyond your estimate. The calculator uses whatever per-unit figure you type. Freight, duty, customs brokerage and prep all belong in it. Our guide to sending your first shipment to Amazon FBA covers what that journey involves.
Other FBA fees. Depending on your inventory and choices, Amazon may also charge inbound placement fees, fees for low inventory levels, aged inventory surcharges, and removal or disposal fees. Some appear only in certain situations, and the calculator may not reflect them for your account.
Extended warehousing. The estimate assumes thirty days. Sluggish items linger far longer, and fourth-quarter rates climb. Our guide to calculating FBA storage fees works through it.
Account costs. The Professional plan subscription, promotions, coupons, Vine enrollment and software subscriptions.
My rule of thumb: treat the calculator’s net figure as the ceiling, then subtract the costs above to find the real number. Our guide to calculating Amazon FBA profit margin builds the full cost stack step by step.
Using it as an FBA vs FBM calculator
The side-by-side columns make the revenue calculator the simplest FBA vs FBM calculator available, provided you fill in the FBM side honestly.
What to enter for FBM: packaging materials, labor per order (including your own time, priced), outbound postage, and your own storage cost. Our guide to calculating pick and pack fees shows how to price the handling honestly, whether you do it yourself or use a 3PL.
What the comparison cannot show: FBA usually brings Prime eligibility, which tends to help conversion, and that benefit never appears as a fee line. Customer service and returns handling differ as well. So when the two columns come out close, I’d lean toward FBA for most products that sell steadily, because the conversion effect is real even if the calculator cannot price it.
Where FBM tends to win, in my judgment: heavy or oversized items with modest prices, very slow sellers that would sit in storage, and sellers who already run their own warehouse efficiently.
An illustrative example
Illustrative numbers only, not current Amazon fees. Say a product sells for $30. The calculator shows a referral fee of $4.50 and a fulfillment fee of $5.50. You enter a product cost of $7 and inbound shipping of $1. The calculator’s net comes to $12.
Now subtract what it did not include. Advertising at $4 per unit sold. A returns provision of $0.75. A little storage beyond one month, $0.25. The real contribution is about $7, not $12. That is still a viable product, I’d say, but the margin is roughly 23% rather than the 40% the calculator implied, and decisions about price, ad spend and reorder quantity should be made on the smaller figure.
Third-party Amazon fee calculators
Browser extensions and research suites also estimate these charges, often overlaid directly on product pages, which speeds up screening dozens of candidates. Handy for velocity. Still, I’d confirm anything you’re seriously considering inside Amazon’s version, because outside tools can trail schedule revisions, and revisions arrive more than once annually.
An Amazon FBA shipping cost calculator is a different tool. Searches for one usually mean either the cost of shipping inventory to Amazon, which comes from your freight quotes or Amazon’s partnered carrier rates, or the fulfillment fee Amazon charges to ship to customers, which the revenue calculator already shows.
If you would rather have product economics, pricing and advertising run together, that sits inside our Amazon account management service. We have optimized 10,000+ listings, and we are an Amazon SPN Verified Partner.
FAQ
What is the best Amazon FBA fee calculator?
Amazon’s own FBA Revenue Calculator, which is free and uses Amazon’s current fee tables. Third-party calculators are faster for screening many products but can lag behind fee changes, so confirm serious candidates in Amazon’s version.
How do I use the Amazon FBA Revenue Calculator?
Search for the product by ASIN, name or barcode, or use a similar listing for a new product. Enter your selling price, product cost and inbound shipping per unit, then add your own fulfillment costs if you want an FBA vs FBM comparison. Check the dimensions and weight it uses first.
What fees does the Amazon FBA calculator include?
The referral fee, the FBA fulfillment fee, an estimated monthly storage cost, and a closing fee for media categories where it applies, plus net proceeds and margin after any costs you enter.
What does the FBA calculator not include?
Advertising, returns, full inbound freight and prep, some situational FBA fees such as inbound placement, low inventory level, aged inventory and removal fees, storage beyond one month, and account costs such as the subscription and promotions.
Can the calculator compare FBA and FBM?
Yes. It shows Amazon fulfillment and your own fulfillment side by side. Fill in your FBM costs honestly, including labor and packaging, and remember it cannot price the conversion benefit of Prime eligibility that FBA usually brings.
Is there an Amazon FBA shipping cost calculator?
The revenue calculator shows the fulfillment fee for shipping to customers. The cost of shipping inventory into Amazon comes from your freight quotes or Amazon’s partnered carrier rates, and you enter it per unit in the calculator.
Last updated: September 28, 2026. Amazon’s fees, size tiers and calculator features change, often more than once a year, and differ by marketplace. The example uses illustrative figures, not current fees. Seller Central carries the current fee schedule for your account.
