Work out your profit per unit when selling with Fulfillment by Amazon (FBA) in the US, after referral fees, fulfillment fees, storage, product costs and ads.
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The main Amazon FBA fees
- Referral fee: a percentage of the sale price, 15% in most categories (8% for some electronics), with a minimum of $0.30 per item.
- Fulfillment fee: a fixed fee per unit for picking, packing and shipping. It depends on size tier, shipping weight and price band, and changed on 15 January 2026.
- Monthly storage: charged per cubic foot, much higher from October to December.
| Storage period | Standard-size rate per cubic foot |
|---|---|
| January to September | $0.78 |
| October to December | $2.40 |
Worked example
A $24.99 product costing $5 with $0.80 of inbound shipping, a $4.65 fulfillment fee, 0.1 cubic feet stored for 2 months and $2 of ads per sale:
| Item | Per unit |
|---|---|
| Referral fee (15%) | $3.75 |
| Fulfillment fee | $4.65 |
| Storage | $0.16 |
| Product and inbound shipping | $5.80 |
| Advertising | $2.00 |
| Profit | $8.64 (34.6% margin) |
The fulfillment fee varies a lot with size and weight, so get the exact figure for your product from Amazon’s FBA revenue calculator and enter it in the calculator.
Frequently asked questions
How much does Amazon take per sale with FBA?
Typically a 15% referral fee plus a fulfillment fee of a few dollars for small items, plus storage. Together with storage, fees can easily take a third or more of a low-priced item’s price.
What is the minimum referral fee?
$0.30 per item in most categories.
Why is storage more expensive in Q4?
Warehouse space is in high demand from October to December, so the rate rises from $0.78 to $2.40 per cubic foot.
Does this include the Professional selling plan?
No. The Professional plan costs $39.99 a month; spread it across your monthly sales.
Sources
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