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Ecommerce & Marketplace Fee Calculators
Seller and payment fee worksheets for Stripe, PayPal, Etsy, eBay, Amazon FBA, and related marketplace costs. Enter your own rates and assumptions—educational take-home estimates, not live scraped fee schedules or tax advice.
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Stripe Fee Calculator
Estimate Stripe-style card fees from a percent plus fixed fee, or gross up a charge so you keep a target net. Educational worksheet—enter your pricing-page rates.
PayPal Fee Calculator
Estimate PayPal-style payment fees from a percent plus fixed fee, or gross up a payment so you keep a target net. Enter rates from your PayPal fee schedule.
Etsy Fee Calculator
Estimate Etsy seller fees from transaction percent, listing fee, and payment processing percent plus fixed fee on a sale. Enter rates from Etsy’s fee schedule.
eBay Fee Calculator
Estimate eBay seller fees from final-value percent, optional insertion/fixed fee, and optional payment percent plus fixed fee. Enter rates from eBay’s selling fees page.
Amazon FBA Fee Calculator
Estimate Amazon FBA referral, fulfillment, and storage fees, then contribution after product cost. Enter Seller Central rates—not a live fee API.
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