CalculatorUpdated May 2026

What you actually pay for card processing

Interchange + scheme + acquirer markup + risk loading + reserves + monthly fees → effective MDR.

Most operators see only the headline acquirer rate. The real all-in cost is 1–3 percentage points higher once you include reserves, monthly platform fees, and per-auth charges. Here is the honest math.

Inputs

Effective all-in MDR
5.88%
Monthly cost
€62,875
Annual cost
€754,500

Fee breakdown

Interchange0.30%
Scheme0.13%
Acquirer markup1.80%
Risk loading3.65%
Reserve %10%
Monthly fixed€950

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For informational purposes only. This is not legal, tax, or financial advice. Verify with a qualified advisor before acting on any output.

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Methodology & sources

Interchange and scheme fees are scheme-published averages by region. Acquirer markup and risk loading are calibrated against actual published rates of major high-risk acquirers (Worldline, CCBill, Praxis, MerchantE, Aurigo).

Risk loading scales with chargeback ratio above 0.5% at 0.8% per percentage-point. Reserves are not included in the all-in rate but are surfaced separately.

Not modelled: PCI compliance fees, refund fees, retrieval requests, statement fees. Real all-in cost is typically 0.1-0.3% higher than this calculator surfaces.

Frequently asked questions

Why is interchange so much lower in EU than US?
EU regulation caps consumer credit interchange at 0.30% (debit at 0.20%). US has no equivalent cap — interchange averages 1.65% on rewards cards. This is the single biggest driver of cross-region MDR differences.
What is "risk loading"?
Acquirer markup specifically for high-risk verticals — covers chargeback losses, fraud monitoring, additional underwriting, and reserves. iGaming typically carries 2.5%; adult content 3.5–4%; crypto operators in pre-licence stage 4%+. Note: pre-licence is treated as a transitional state — acquirers will not onboard merchants who have no plan to obtain a licence.
Why does my chargeback ratio affect MDR?
Above 0.5%, acquirers add ~0.8% per percentage-point of chargeback ratio because their fraud-monitoring and dispute-handling costs scale with chargebacks. Reduce chargebacks → reduce MDR.
What is reserve and is it MDR?
Reserve is held back from settlement (typically 5–15% for high-risk). It is not MDR — it is your money held as security against future chargebacks. Released after 6 months on a rolling basis. The cost of capital on this reserve is real and rarely modelled.

Disclaimer

This calculator is for informational purposes only. It does not constitute legal, tax, or financial advice. Licence fees, tax rates, and regulatory requirements change. You must consult a qualified advisor in each relevant jurisdiction before making any commercial or investment decision. GetBanked and BMC Strategic Inc accept no liability for decisions made on the basis of these calculations.