Ecommerce
Calculators for online marketplace sellers — profit, fees, margins, and break-even math for platforms like Amazon, eBay, Etsy, and Shopify.
Ecommerce Profit Calculator
Calculate net profit, margins, break-even price, and advertising metrics for any ecommerce order. All calculations run in your browser.
Open calculatorAmazon FBA Profit Calculator
Calculate Amazon FBA net profit, margin, ROI, and break-even price from your price, product cost, and fees. You enter your own Amazon fees — no live data.
Open calculatoreBay Fee Calculator
Calculate eBay final value fees, net profit, margin, ROI, and break-even price from your item price, shipping, and costs. You enter your own eBay fees.
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