Enter your product costs and Amazon fees to see your true profit per unit, margin, and return on investment before you commit to sourcing.
Enter your product costs and Amazon fees to see your true profit per unit, margin, and return on investment before you commit to sourcing.
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Fulfillment and storage fees change by marketplace and by season, and this tool cannot look them up for you. Pull your product's exact figures from Seller Central or Amazon's own FBA revenue calculator before relying on this for a real sourcing decision.
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Referral fee percentages shown are typical published rates and vary by exact sub-category and marketplace. Fulfillment and storage fees must be entered manually since they depend on your product's specific size, weight and marketplace, and change over time. Live currency conversion, when turned on, uses real exchange rates and is shown as an approximate reference only. Rates by ExchangeRate-API, updated once daily. Always verify final Amazon fee figures in Seller Central before making a sourcing or pricing decision.
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Selling on Amazon looks profitable until the fees arrive. Referral fees, FBA fulfilment, monthly storage, inbound shipping and advertising can quietly take half of the selling price or more.
This free Amazon profit calculator adds every cost to your selling price and returns your true profit per unit, profit margin, return on investment and break-even price. Use it before you source a product, when you set prices, or when you review an existing listing.
It works for FBA and for merchant-fulfilled sellers. Enter your own fee figures from Seller Central so the result reflects your exact category and size tier.
Amazon profit per unit = selling price − cost of goods − inbound shipping − referral fee − FBA fee − storage − ad cost per unit. Margin = profit ÷ selling price. ROI = profit ÷ (cost of goods + inbound shipping).
Have your landed product cost and the fee figures from Seller Central or the FBA revenue calculator ready.
Selling price, cost of goods per unit and inbound shipping to Amazon's warehouse.
Referral fee percentage for your category, FBA fulfilment fee and monthly storage per unit.
Your ad spend per unit sold, or your TACoS applied to the price.
See profit per unit, margin, ROI and the lowest price you can sell at without losing money.
Every fee is either a percentage of the price or a fixed cost per unit.
Profit = Price - COGS - Shipping - (Price x Referral %) - FBA fee - Storage - AdsMargin (%) = Profit / Price x 100ROI (%) = Profit / (COGS + Shipping) x 100Referral fees in most categories sit around 15%, but some are lower or tiered. Always check your category's current rate in Seller Central.
A seller lists a silicone kitchen utensil set via FBA.
Sellers most often lose money by forgetting the smaller recurring costs.
| Cost | How it is charged | Where to find it |
|---|---|---|
| Referral fee | Percentage of selling price, by category | Seller Central fee schedule |
| FBA fulfilment fee | Fixed per unit, by size and weight tier | FBA revenue calculator |
| Monthly storage | Per cubic foot, higher in Q4 | Inventory reports |
| Inbound shipping | Per shipment, divide by units | Freight invoices |
| Advertising (PPC) | Per click, divide by units sold | Advertising console, TACoS |
| Returns and refunds | Lost units and return processing | Returns reports |
A few percentage points of margin decide whether a product is worth scaling.
Subtract cost of goods, inbound shipping, referral fee, FBA fee, storage and advertising from the selling price. The calculator does this for you and shows margin and ROI.
Many sellers aim for 20% to 30% net margin after all fees and ads. Lower margins leave little room for price drops or rising ad costs.
Usually a referral fee of around 15% of the price in most categories, plus FBA fulfilment fees if Amazon ships for you, plus storage. Altogether fees often take 30% to 45% of the price.
Margin is profit divided by selling price. ROI is profit divided by what you invested in the product. ROI is usually the bigger number.
Yes. Set the FBA and storage fields to zero and enter your own shipping cost per order instead.
The lowest price you can sell at without losing money once every fee and cost is covered.
We run marketplace ads and ecommerce marketing that protect margin, not just push sales volume. Explore our ecommerce development services.