Browser-only seller calculators
Global Seller Fee Calculator
Estimate seller fees, payment processing costs, marketplace charges, tax-rate scenarios, received amount, break-even charge, and net profit from the assumptions shown on each calculator.
Static, browser-only seller fee estimates for online sellers.
Official source links, assumptions, and review dates are shown on calculator pages.
Inputs are calculated in the browser, with no login and no server-side input storage.
Custom fee override is available when your account, category, or country differs.
Main calculators
PayPal Fee CalculatorPayment fee, received amount, and profit estimates.Stripe Fee CalculatorCard processing estimates with custom rate override.Etsy Profit CalculatorMarketplace, payment, listing, and profit estimates.eBay Fee CalculatorSelling fee estimates with assumptions shown.Sales Tax / VAT / GST CalculatorGeneral tax amount estimates from a rate you enter.Reverse Fee CalculatorEstimate the charge needed to reach a target payout.Platform Fee ComparisonCompare platforms with the same sample sale inputs.
Verified seller fee pages
PayPal US Fee CalculatorVerified PayPal Checkout and card fee seed rules.PayPal Charges UK CalculatorVerified UK PayPal charges and GBP 100 example.Stripe US Fee CalculatorVerified limited US standard online card estimate.Etsy US Profit CalculatorVerified listing, transaction, payment, and conversion fees.eBay US Simple EstimatorVerified simple most-categories US seller estimate.
Tax calculator countries
Privacy-first design
No login, no account, no server-side calculator input storage. No database is used for calculator inputs.
What this site helps sellers check
- Step 1Choose a calculator
- Step 2Enter sale, shipping, product, and ad costs
- Step 3Review fee breakdown, source status, and assumptions
- Step 4Compare net profit or use reverse mode to set a target price
Source and update process
Verified pages show official source links, last reviewed dates, assumptions, and exclusions.
When no site-maintained default rate is supplied, calculators use manual-rate mode.
Correction requests should include the platform, country, official URL, and date checked.
Important disclaimers
- Estimates are for planning only.
- Not tax, accounting, financial, or legal advice.
- Not affiliated with PayPal, Stripe, Etsy, eBay, or other platforms.
No browser-language redirect, geolocation redirect, or IP redirect is used.