Free marketplace seller fee and profit calculators
About ResaleMargin
ResaleMargin helps online sellers estimate marketplace fees and net profit before listing. Free web calculators cover eBay, Poshmark, Mercari, Depop, Etsy, Whatnot, PayPal, Stripe and more. Compare payouts across marketplaces or calculate a listing price from a target profit. Fee breakdowns and comparison guides link to source schedules. No account is required to use the calculators.
PlatformsWeb
LaunchedOct 19, 2026
✓ VerifiedNov 4, 2026
Key features
- Compare marketplace fees and estimated payouts
- Calculate listing price for a target profit
- View fee breakdowns with source schedules
- Use calculators without an account
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