Amazon Profit Calculator

Amazon's referral fee takes 15 percent of the sale price in most categories before you have paid for the product, inbound shipping or FBA. Many new sellers price by gut feel, source inventory, and only then discover the margin was never there. A two-minute calculation before you buy stock prevents that entire category of mistake.

This calculator applies the referral fee to your sale price and subtracts your item and shipping costs to show net profit and margin percentage. Treat it as a fast screening tool: if the numbers do not work here, they will not work after FBA fulfillment and storage fees either. Enter your real landed cost, not just the supplier's unit price.

Healthy Amazon sellers usually target at least 30 percent margin after all fees, because returns, advertising and price wars eat into it fast. Beyond the referral fee, budget for FBA pick-and-pack fees, monthly storage (which spikes in Q4), and returns processing. On the selling plan, Individual costs $0.99 per item while Professional is $39.99 a month, so Professional wins once you sell more than about 40 units monthly.

This covers the referral fee only. FBA fees vary by product size and weight, and some categories use different referral rates, so confirm the details in Seller Central before committing to inventory.