Amazon seller tool
Estimate Amazon FBA fees, ad cost, return loss, net profit, margin, ROI, and break-even price before you list or reorder inventory.
Use per-unit numbers. Rates are configurable placeholders, because Amazon fees vary by category, size tier, country, and account.
Net profit
$7.64
Profit margin
25.5%
ROI
80.4%
Break-even price
$21.00
Net profit = selling price - product cost - inbound shipping - referral fee - FBA fulfillment fee - storage or other fees - ad cost - expected return loss.
Break-even price estimates the price where profit becomes zero, after accounting for fixed per-unit costs and the referral fee rate.
Default referral fee is a generic planning value inspired by common Amazon categories. Real referral and FBA fees vary by category, size tier, country, and seller program. Last config update: 2026-07-06.
Reference links
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Use Amazon FBA Profit Calculator before listing, reordering, or launching ads. Start with conservative costs, then test how price and fees change profit.
Amazon FBA Profit Calculator follows a simple seller economics model: revenue minus product cost, shipping, platform fees, payment fees, advertising, and other order-level costs.
A seller can enter a target price, product cost, shipping cost, and fee rate, then compare profit margin before deciding whether the item deserves more research.
The most common issue is treating marketplace revenue as profit. Amazon FBA Profit Calculator helps expose hidden costs before they become expensive inventory mistakes.
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Learn the main Amazon FBA fee categories sellers should estimate before listing a product.
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Walk through an Amazon FBA margin example with selling price, referral fee, FBA fee, ads, and returns.
It estimates per-unit net profit, profit margin, ROI, total fees, total cost, and break-even price using your selling price, product cost, shipping, referral fee, fulfillment fee, ads, and expected returns.
No. The defaults are generic placeholders. Amazon fees vary by category, marketplace, size tier, program, and seller account, so you should verify final numbers inside Seller Central.
Break-even price is the selling price where estimated profit is zero after product cost, inbound shipping, FBA fee, storage or other fees, ad cost, return loss, and referral fee.
ROI is estimated as net profit divided by product cost plus inbound shipping. It helps compare how efficiently your cash turns into profit.