CardFeeCalc

Free payment-fee calculators for Stripe, Square, PayPal, Venmo, Cash App, and major POS processors. Compare percent + fixed fees, monthly cost, and worked examples — no signup, runs in the browser. CardFeeCalc helps small businesses, freelancers, and sellers understand exactly what card processing costs. Enter an amount to see the fee, net payout, and reverse "what to charge" figures, with side-by-side processor comparisons and monthly cost estimates.