Merchant Atlas

Payment Fee Calculator

Estimate illustrative processing costs in the currency your business uses. Choose a currency, enter your monthly sales, average transaction value and assumed provider fee. This is a planning tool, not a provider quote.

Calculation currency

Monthly sales

Average transaction value

Percentage fee (%)

Fixed fee per transaction

Estimated monthly fees£190.00200 transactionsCalculation currency changes the display and input context; it does not convert provider pricing automatically.

How the calculator works

Estimated fees = monthly sales × percentage fee + estimated transaction count × fixed fee. For an international comparison, run the calculator separately for each currency and use the provider’s actual regional pricing assumptions.

What this estimate does not include

Monthly subscriptions or platform fees.
Refund and chargeback fees.
International-card or cross-border fees.
Foreign-exchange conversion costs.
Local payment-method fees.
Custom enterprise pricing.