Amazon FBA Fees Explained for 2026
Amazon FBA fees in 2026 are three headline charges plus three surcharges. Referral fees run 8 to 20% by category (usually 15%, $0.30 minimum). Fulfillment fees run $3.22 to $6.92 for standard-size items by weight tier. Monthly storage is $0.87 per cubic foot, rising to $2.40 in Q4. On top: a 3.5% fuel and logistics surcharge since April 2026, holiday peak fees from October 15, 2026 to January 14, 2027, and aged inventory surcharges after 181 days.
The three headline fees plus the surcharges that surprise new sellers, with 2026 numbers throughout.
The referral fee: Amazon's commission on every sale
The referral fee is the one fee you can never avoid. Amazon charges it on every sale as its commission for access to the marketplace, whether you use FBA, ship the product yourself, or sell through any other fulfillment method. It is a percentage of the total sale price, including shipping charges, and the percentage depends on your product category. Most categories pay 15%. Electronics pay 8% (capped at $100 per item), automotive pays 12%, apparel pays 17% because of high return rates, and jewelry pays 20%. The minimum is $0.30 per item, which matters for very cheap products: on a $1.50 item, the minimum fee is 20% of the price.
Because the referral fee is calculated on price, it is the fee most sensitive to your pricing strategy. Raising your price by $1 on a 15% category costs you $0.15 in referral fees but nets you $0.85. That is why margin analysis starts with the referral fee: it is linear, predictable, and unavoidable, so every unit-economics spreadsheet should compute it first.
Fulfillment fees: what Amazon charges to pick, pack, and ship
The fulfillment fee covers everything Amazon does physically: receiving your inventory, storing it, picking units when orders come in, packing, shipping with Prime delivery, handling customer service, and processing returns. It is set by size tier and weight, and the tiers are where packaging decisions turn into real money. In 2026, a small standard-size item of 4 ounces or less costs $3.22 to fulfill; the same product at 8 to 16 ounces costs $3.77. Large standard items run $3.86 to $6.10, and small oversize starts at $9.73.
The tier boundaries create the biggest optimization opportunity in the whole fee structure. Your product's longest dimension and its shipping weight decide the tier, and trimming half an inch of packaging or shaving an ounce can drop you into a lower tier and save $0.50 to $3.00 per unit. On 10,000 units a year, one tier boundary is a five-figure decision. Amazon raised fulfillment fees by an average of $0.08 per unit effective January 15, 2026, and items priced under $10 get a low-price discount of $0.86 per unit, which is why the sub-$10 strategy has its own playbook.
Storage fees: the quiet monthly bill
Monthly storage is billed per cubic foot of inventory sitting in Amazon's fulfillment centers. In 2026 the standard rate is $0.87 per cubic foot, rising to $2.40 during Q4. That looks small per unit, a few dimes for a typical product, but it scales with over-ordering. Sellers who send in a full year's inventory to get a volume discount from their supplier often discover the storage bill eats the discount.
The real storage danger is aged inventory. Stock that sits for 181 days or more gets an aged inventory surcharge of $6.90 per cubic foot or $0.15 per unit, whichever is greater. Amazon also uses your Inventory Performance Index (IPI) score to set storage limits; keep it above 400 going into Q4 or you will face volume restrictions during the period when storage costs the most. The fix is operational, not financial: start with 300 to 500 units, reorder on sell-through data, and set up removal orders for dead SKUs before day 181.
The surcharges: fuel, holiday peak, and inbound placement
Since April 17, 2026, Amazon adds a 3.5% fuel and logistics surcharge to every FBA fulfillment fee. On a $4.75 fulfillment fee that is about 17 cents per unit, small on one unit, meaningful at scale. From October 15, 2026 to January 14, 2027, holiday peak fees add roughly $0.32 per unit on average, and the 3.5% surcharge is charged on top of the peak fees, not instead of them.
Inbound placement is the other line item sellers miss. Amazon now charges to route your inventory to the optimal fulfillment centers, around $0.30 per unit on average, billed 45 days after the shipment. Returns are the last hidden cost: FBA handles customer returns, but returned units cost you the original fulfillment fee with no refund, and a 5% return rate on a $30 product quietly costs $1.50 per unit sold across the catalog.
Putting the stack together: a $29.99 example
Take a standard-size, roughly 1-pound product in Home and Kitchen selling for $29.99. Referral fee at 15%: $4.50. Fulfillment fee: about $4.26, plus the 3.5% surcharge of $0.15. Storage: about $0.20 per unit off-peak. Inbound placement amortized: about $0.30. A 5% return rate: about $1.50. That is roughly $10.91 to Amazon on a $29.99 sale, or 36% of revenue, before product cost and advertising. With $7 landed cost and 10% ad spend, the seller nets about $8.58 per unit, a 28.6% margin. That is a healthy FBA product in 2026.
Now watch how fast it breaks. Push ad spend to 18% of revenue, returns to 9%, and let some inventory drift past 181 days into Q4 storage. Same product, same price, same supplier: under $4 per unit net. The fees did not change; the assumptions did. That is why every sourcing decision should start with the calculator at the top of this site, run twice: once with your best-case assumptions and once with realistic ones.
Fees you can control vs fees you cannot
You cannot control referral fee percentages, the fulfillment fee schedule, or the surcharges. You can control your category choice at product selection time, your size tier through packaging design, your storage through inventory planning, and your aged-inventory exposure through reorder discipline. Those four decisions are the entire margin game for most sellers.
The 3x to 4x rule survives because it bakes the fee stack into product selection: if your landed cost is one third of the selling price, fees take the second third, and you keep the last third as profit. Products that break the rule can still work, but only with a written plan for the fee they violate. Use the fee table on the home page as your reference, and verify every figure in Seller Central before you place a factory order.
Fees current as of October 2026. Sources: Amazon Seller Central 2026 fee schedule (referral fee table unchanged from 2024; fulfillment fees raised an average of $0.08 per unit effective January 15, 2026; 3.5% fuel and logistics surcharge effective April 17, 2026).