Calculate MDR — Store fee from receipt of card
Formula: Fee = Sales × MDR% | Actual Revenue = Sales − Fee
MDR Merchant Fees Calculator
The MDR Merchant Fees Calculator estimates a cost estimation estimate for your scenario from the quantities, rates, period, units and other assumptions requested on the page. Replace the example values with your own mdr merchant figures and recalculate after changing an assumption. Use it to compare scenarios, then verify any current rate or fee before acting.
Fill in the sales and MDR rate of the bank to see the deducted fees and the actual amount the store received.
Formulas used
- MDR fee = sales × (MDR% ÷ 100)
- Actual revenue = sales − MDR fee.
- Monthly total = per transaction × number of transactions per month
Related Links
Frequently asked questions
What is MDR?
What does MDR think?
What's the MDR rate of a normal store?
English calculator guide
How to use the MDR Merchant Fees Calculator
Use this page to test a specific mdr merchant scenario. Enter your own values in the calculator above, review the units beside each field, and recalculate after changing an assumption. The result updates the mdr merchant fees estimate instead of relying on a generic example.
- Build a baseline mdr merchant case with figures that match your situation.
- Run a second mdr merchant case after changing the rate, period, quantity or other key assumption.
- Record the difference between the two mdr merchant results and the input responsible for it.
Inputs for the mdr merchant estimate
For this mdr merchant calculation, check the quantities, rates, period, units and other assumptions requested on the page. The result is designed to show a cost estimation estimate for your scenario, not a guaranteed provider price or official decision.
How the mdr merchant result is calculated
The calculator combines the entered quantities, rates and fixed costs to produce the displayed estimate. Reusing the same mdr merchant inputs will produce the same estimate, which makes the page suitable for controlled scenario comparisons.
Checks for a mdr merchant decision
Confirm any current rate, threshold or provider rule that could change the final amount. For mdr merchant, Use the estimate to compare card or payment costs. Check the provider’s current percentage fee, fixed fee, interest method, minimum charge and billing terms. Recheck the entered values and units if the result looks unexpected.
- Language QA
- Terminology, numeric values and calculator controls checked
- Calculator scope
- Cost estimation
- Last English review
- 26 July 2026