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calculator

Free Payment Processing Fee Calculator

Compare monthly fees across Stripe, PayPal, Square, Adyen, Braintree, and Checkout.com using your real transaction mix. Models domestic vs international cards, refund recapture, and average ticket size — not the marketing-page rates. See exactly how much you'd save by switching processors.

Inputs

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Results

Stripe (2.9% + $0.30)

$8,697

PayPal (3.49% + $0.49)

$10,659

Square (2.9% + $0.30)

$8,609

Braintree (2.59% + $0.49)

$8,347

Adyen (Interchange++)

$6,807

Checkout.com (Interchange++)

$6,594

Transactions / Month

2,941

Annual Savings (Cheapest vs Most Expensive)

$48,784

Stripe Effective Rate

3.5%

Adyen Effective Rate

2.7%

By David Shadrake · Free, no signup required

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About the Author

David Shadrake

David Shadrake works on strategic business development and tech partnerships, with focus areas across AI, fintech, venture capital, growth, sales, SEO, blockchain, and broader tech innovation. Read more of his perspective on partnerships, market dynamics, and emerging technology at davidshadrake.com.