Amazon FBA Calculator
See exactly what Amazon takes - referral, FBA fulfillment, and storage - and your real net profit per unit.
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- Updated 2026-09-16 for the 2026 fee schedule
Net profit per sale
$14.91
42.6% profit margin · 28.8% goes to Amazon
Note: Amazon's 15% referral fee applies to most categories (with a $0.30 minimum). FBA fulfillment fees depend on size tier; storage is $0.87/cu ft/month off-peak and $2.40/cu ft/month October-December (peak).
How Amazon FBA fees work in 2026
When you sell through Fulfillment by Amazon (FBA), Amazon charges two main fees: a referral fee of 15% on the gross sale (with a $0.30 minimum, $100 cap on most categories) and an FBA fulfillment fee that varies by size tier. There is also a monthly storage fee per cubic foot, and Amazon can charge long-term storage penalties on inventory that sits unsold for more than 181 days.
The 15% referral fee and the fulfillment fee alone typically take 18-25% of your sale, before your product cost and inbound shipping to Amazon's warehouse. Many sellers find that products under $15 are unprofitable on FBA unless they source at very low cost.
Choosing the right size tier
The size tier determines your FBA fulfillment fee. Small standard items (under 6oz, under 6") are cheapest at $3.06. Standard items (under 1lb, under 18") are $4.75. Large standards are $5.40, and oversized items can be $9.61 or more. Always pick the right tier - mis-sized inventory gets charged the higher fee retroactively.
Frequently asked questions
How much does Amazon FBA take per sale?
Amazon charges a 15% referral fee (minimum $0.30) plus an FBA fulfillment fee that ranges from $3.06 for small standard items to $9.61+ for oversized items. Plus monthly storage at $0.87/cu ft off-peak ($2.40 peak Oct-Dec).
Is Amazon FBA worth it for small products?
For products priced under $15, the combined referral and fulfillment fees often eat 30%+ of the sale, which is hard to recover. FBA works best for products priced $20+ where the fees are a smaller percentage.
What is the difference between FBA and FBM?
FBA (Fulfillment by Amazon) means Amazon stores and ships your product. You pay referral + fulfillment + storage fees. FBM (Fulfillment by Merchant) means you ship yourself - you only pay the referral fee but handle all logistics.
Do I pay Amazon fees on shipping charged to the buyer?
Yes. The 15% referral fee applies to the total sale, including buyer-paid shipping. FBA products are typically set to "free shipping" because Amazon Prime buyers expect it - you absorb the cost.
What is the minimum referral fee on Amazon?
$0.30 per unit, regardless of the sale price. So a $2 item pays $0.30 in referral fee (15% of $2 would only be $0.30, so it equals the minimum).