When you sell with FBA, Amazon keeps a referral fee (a percentage of the sell price, set by category), charges an FBA fee per unit (set by size and weight) and charges monthly storage while your stock sits in a warehouse. You also pay to ship the product to Amazon.
The fees, one by one
| Fee | How it works | In our example |
|---|---|---|
| Referral fee | A percentage of the sell price, set by category | −$5.40 (15%, toys) |
| FBA fee | Per unit, set by size tier and shipping weight | −$9.51 |
| Storage | Monthly, by the space your stock takes; higher in Oct–Dec | Not charged in the example |
| Shipping to Amazon | Your own cost to send stock to a warehouse, per unit | −$0.66 |
| Selling plan | Individual: $0.99 per item sold. Professional: $39.99 a month | Not per unit |
Read the referral fee and FBA fee definitions in the glossary, or try the FBA calculator with your own numbers.
A real example, with every fee
This is the Melissa & Doug Wooden Scoop & Serve Ice Cream Counter on Amazon US, captured on 4 Nov 2026. It sells at $35.99 and we paid $12.99 in a store.
| Step | Amount |
|---|---|
| Sell price | $35.99 |
| Referral fee (15%) | −$5.40 |
| FBA fee | −$9.51 |
| Shipping to Amazon | −$0.66 |
| Buy cost | −$12.99 |
| Profit | +$7.43 |
That is a 57.2% ROI ($7.43 ÷ $12.99) and a 20.6% margin. Without looking at the fees, the gap between $12.99 and $35.99 looks like $23.
Other charges that can appear
Depending on your stock and your situation, Amazon can also charge for things such as storing items for a long time, removing or disposing of inventory, and some returns. They depend on your account, so check the current fee schedule in Seller Central. Profit Mate's calculators don't include them.
Scan before you buy. The app reads the exact fee for each product from Amazon, so you don't have to estimate.
Frequently asked questions
Is the FBA fee the same for every product?
No. It depends on the size tier and the shipping weight. The app reads the exact fee for each product from Amazon.
Do I pay a fee if the product doesn't sell?
You pay no referral or FBA fee until it sells. While it sits in a warehouse you pay monthly storage, so slow sellers cost you more over time.
Are the fees the same in every country?
No. Each Amazon marketplace has its own referral percentages, FBA fees, currency and taxes. In Europe the sell price includes VAT.
Does the calculator include every Amazon fee?
It includes the referral fee, the FBA fee, storage and your shipping to Amazon, plus VAT and recargo de equivalencia where they apply. Other charges, such as removals or long-term storage, depend on your stock and are not included.