What is the Amazon referral fee?

Most categories charge 15% of the sale price as a referral fee. Some categories like electronics charge less (8%) and some like clothing charge more.

FBA vs FBM Profit Margin Breakdown

FBA (Fulfilled by Amazon) adds fulfillment fees ($3.22–$7.17+ per unit) but removes your shipping costs. FBM (Fulfilled by Merchant) has no fulfillment fee but you handle shipping yourself.

What is the Amazon FBA fulfillment fee?

Small standard (≤1 lb): $3.22. Large standard ≤1 lb: $5.09. Large 1–2 lb: $6.20. Large 2–3 lb: $7.17. Fees increase with weight and size.

Are there long-term storage fees?

Yes. Inventory stored over 365 days incurs a long-term storage fee of $6.90 per cubic foot or $0.15 per unit, whichever is greater.

Amazon FBA Calculator

Calculate Amazon FBA net profit after referral fees, fulfillment fees, and product cost. Compare size tiers. Free FBA margin calculator.

Type

Mode

Sale Price ($)

Product Cost ($)

Enter a sale price to see the fee breakdown.

Frequently asked questions

Amazon FBA Calculator — Profit Margin 2026

Enter your sale price, product cost, and package size to see your net profit after Amazon's referral fee, FBA fulfillment fee, and cost of goods.

Size tier selection

Choose from Small Standard to Large Standard 2–3 lb for accurate fulfillment fees.

Product cost included

Factor in your cost of goods to see true net profit, not just gross margin.

Fee rates verified and updated April 2026. Rates may change — verify directly with the platform before transacting.