FeeCalcs

FeeCalcs is a free collection of 20+ marketplace fee calculators for online sellers. Pick your platform - eBay, Etsy, Amazon, Poshmark, Mercari, Depop, StockX, GOAT and more - enter the sale price and shipping, and instantly see every fee the platform takes and your real take-home profit. Rates are compiled from each platform's published 2026 fee schedule and re-checked regularly. A side-by-side comparison table lets you decide which marketplace is actually worth listing on for a given price point. Everything runs in the browser: no signup, no app, no download, no data collected. Built for resellers, vintage sellers and small e-commerce shops that want to price items without guessing their margins.