The Amazon FBA Profit Calculator is a free, accurate online tool designed to help you make data-driven business decisions in seconds. Just enter selling price, product cost (cogs), shipping to amazon (per unit), fba fulfillment fee, referral fee, monthly units sold, ppc ad cost per unit and instantly see referral fee, total amazon fees per unit, profit per unit, profit margin, monthly profit. Whether you are pricing a product, evaluating an investment, or sizing a market, the right calculation can make the difference between profit and loss. This tool brings standard business formulas into a single, no-friction interface so you can decide faster. Under the hood, the tool applies the standard formula: Profit = Price − COGS − Shipping − FBA Fee − Referral Fee − PPC. You can see exactly how the result is derived, which is especially useful for students, professionals, and anyone who wants to learn rather than just get an answer. CalcPlanet builds every calculator to be fast, mobile-friendly, and free, with no signup required. We test results against worked examples and reference implementations so you can rely on what you see. Enter your values above to get an instant, accurate amazon fba profit calculator result, then explore the FAQs and examples below for deeper context.
Calculates real Amazon FBA profit after all fees, costs, and advertising spend.
Enter selling price, product cost, shipping, and Amazon fees to see true profit per unit.
Profit = Price − COGS − Shipping − FBA Fee − Referral Fee − PPC
{
"referral_fee": sale_price * (referral_pct / 100),
"total_fees": sale_price * (referral_pct / 100) + fba_fee,
"profit_per_unit": sale_price - product_cost - shipping_to_amazon - fba_fee - sale_price * (referral_pct / 100) - ppc_per_unit,
"margin": ((sale_price - product_cost - shipping_to_amazon - fba_fee - sale_price * (referral_pct / 100) - ppc_per_unit) / sale_price) * 100,
"monthly_profit": (sale_price - product_cost - shipping_to_amazon - fba_fee - sale_price * (referral_pct / 100) - ppc_per_unit) * monthly_units
}
Deducts all Amazon fees and costs from selling price.
Typically 30-40% of sale price between referral fee (15%) and FBA fulfillment ($3-8 depending on size/weight).
25-40% is good. Below 20% is risky. Above 40% is excellent.
Usually 15% for most categories. Some categories (like clothing) charge 17%.
Amazon adjusts fees annually. Check Amazons fee schedule for 2026 rates.
FBA costs more but earns the Prime badge, which typically increases sales by 30-50%.
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