Invoice Payment Fee Calculator

Enter an invoice amount and your processing rate to see exactly what the fee takes out and what actually lands in your account. Compare two rates side by side, and see what the difference costs over a year. Free, and no signup needed.

Some bank payment rates set a floor. Leave at 0 if yours does not.
Adds a monthly and yearly total at this invoice size.
Processing fee$0.00
You actually receive$0.00
Fee at the compared rate$0.00
You receive at that rate$0.00
Enter a second rate to compare.

Fees come off every payment you collect. A flat monthly price does not.

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What an invoice payment fee actually costs you

Most invoicing tools quote a monthly price, but that is rarely the whole cost. If your client pays by card, the payment processor takes a percentage of the invoice plus a small fixed amount per transaction, and that comes off the top of every single payment you collect. A tool with no subscription can still cost more per month than a paid one once your invoice volume is real. This calculator turns the percentage into the dollar figure it actually represents on your own invoices.

How the fee is calculated

Nearly every processor uses the same shape: a percentage of the payment, plus a fixed amount per transaction. Some bank payment rates also set a minimum fee.

Fee = (Invoice Amount x Percentage / 100) + Fixed Fee If a minimum applies: Fee = the greater of that result and the Minimum Fee You receive = Invoice Amount - Fee

On a $2,000 invoice at 2.9% plus $0.60, the fee is $58.60 and you receive $1,941.40. The percentage is what scales: the fixed part barely moves, but the percentage grows with every invoice you send.

How to use this calculator

Enter your invoice amount and pick a payment method, or choose Custom rate and type in your own percentage and fixed fee. The percentage and fixed fields stay editable whichever preset you pick, so you can always match your own provider's exact numbers. Add your invoices per month to see what the same rate costs across a month and a year, and use Compare with another rate to put two options side by side.

What a percentage point costs over a year

The gap between two rates looks trivial per invoice and significant per year. Ten invoices a month at $2,000 is $240,000 billed annually. At 2.9% plus $0.60 that is roughly $7,032 in fees. At 1% with a $1 minimum it is roughly $2,520. The per-invoice difference is small enough to ignore, and the annual difference is not. That is the calculation worth running before you pick a tool, not after.

Rates change, so check your own

Processor pricing moves, and it differs by product, country, and how the payment is taken. The presets here are starting points, not quotes. Confirm the current rate with your own provider before making a decision based on it, and use the Custom rate option to enter exactly what you are charged.

Wave preset figures: card 2.9% plus $0.60, American Express 3.4% plus $0.60, bank payment 1% with a $1 minimum, as reported by NerdWallet's Wave Accounting review, 2026. The "typical online rate" preset is a common industry shape (2.9% plus $0.30), not a quote from any one provider.

Before you switch invoicing tools

Use your real numbersRun your actual average invoice and monthly volume, not a round example.
Check the card mixAmerican Express usually costs more than other cards. Weight it by how often clients use it.
Ask about bank paymentsBank or ACH rates are often far lower than card rates on large invoices.
Count the subscription tooAdd any monthly plan fee to the processing fees before comparing.
Confirm the current ratePublished rates change. Check the provider's own pricing page before deciding.

This calculator provides estimates for planning purposes. Your actual fees are set by your payment provider's current pricing and your own agreement with them.

Working out what to charge in the first place? Try the free margin calculator. Chasing an invoice that is already overdue? The late fee calculator works out what you are owed.

A flat monthly price, not a cut of every payment.

Billbooks prices per organization with every feature included, so what you pay does not scale with how much you get paid.

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FAQs

It is what the payment processor takes when a client pays your invoice. It is normally a percentage of the payment plus a small fixed amount per transaction, deducted before the money reaches your account, and it applies whether or not you also pay a monthly subscription.

Multiply the invoice amount by the percentage rate, divide by 100, then add the fixed fee. On a $2,000 invoice at 2.9% plus $0.60, that is $58.00 plus $0.60, so $58.60 in fees and $1,941.40 received.

Not always. A tool with no subscription still takes a processing fee on every payment, and that fee scales with how much you bill. Once your monthly invoice total is large enough, a flat subscription with a lower processing rate can cost less overall. Enter your own volume above to see where the line falls for you.

Bank or ACH transfers do not carry card network interchange costs, so processors usually charge a much lower percentage, sometimes with a minimum or a cap instead. On large invoices the difference can be substantial, which is why many businesses offer bank payment as an option for their biggest clients.

Sometimes, but the rules vary. Surcharging is restricted or banned in some places and by some card networks, and the requirements around disclosing it differ. Check the rules that apply where you operate, and your processor's own terms, before adding a fee to an invoice.

Treat them as starting points rather than quotes. Processor pricing changes and varies by product, country, and how the payment is taken. Every percentage and fixed fee field stays editable, so enter exactly what your own provider charges you.

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