Fee Calculator

Calculate fees, commissions & surcharges — fast & accurate

Calculate Your Fee

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Your free online Fee Calculator for instant fee calculations: Enter an amount and a fee percentage, choose your calculation mode, and get the result in seconds — no formulas, no spreadsheets needed.

Fee Calculator — Formulas, Examples & Types of Fees Explained

What Are Fees?

A fee is a charge for a service or transaction. Fees appear everywhere in daily life — from credit card processing fees and PayPal transaction fees to broker commissions, bank service charges, and shipping surcharges. Understanding how fees are calculated helps you compare costs, negotiate rates, and make informed financial decisions.

Our free fee calculator supports three modes: calculate the fee from a percentage, find the percentage a fee represents, or extract the net amount from a total that already includes a fee.

Fee Calculation Formulas

The basic formula for calculating a percentage-based fee is:

Fee = Amount x Fee Rate / 100

To find the total including the fee:

Total = Amount + Fee = Amount x (1 + Rate / 100)

To extract the net amount from a total that already includes a fee:

Net Amount = Total / (1 + Rate / 100)

Common Types of Fees

1
Credit Card Processing Fees: Typically 1.5% – 3.5% per transaction, charged to merchants by payment processors (Visa, Mastercard, Amex).
2
PayPal & Online Payment Fees: Usually 2.9% + $0.30 per transaction for domestic payments, higher for international transfers.
3
Broker & Real Estate Commissions: Typically 3% – 6% of the sale price, split between buyer's and seller's agents.
4
Bank & Service Fees: Monthly maintenance fees, ATM fees, wire transfer fees, overdraft charges, and foreign transaction fees (1% – 3%).

Practical Fee Calculation Examples

1

Credit Card Processing Fee

A customer pays $500 with a credit card. The processing fee is 2.9%.

Fee: $500 x 2.9% = $14.50 | Total received: $485.50

2

Broker Commission

A house sells for $350,000. The total agent commission is 5%.

Commission: $350,000 x 5% = $17,500

3

Reverse: Net from Total

You received $970 after a 3% fee was deducted. What was the original amount?

Original: $970 / (1 - 3%) = $1,000

Frequently Asked Questions

How do I calculate a percentage fee?
Multiply the amount by the fee rate and divide by 100. For example, a 2.5% fee on $1,000 is $1,000 x 2.5 / 100 = $25.00.
What is the difference between a fee and a surcharge?
A fee is a charge for a service (e.g., processing a payment), while a surcharge is an extra charge added on top of the base price (e.g., a fuel surcharge). Both are calculated similarly as a percentage or flat amount.
How do I find the net amount after a fee is deducted?
If the fee is added to the amount, divide the total by (1 + rate/100). If the fee is deducted from the amount, multiply by (1 - rate/100). Use the "Net from Total" mode in our calculator for the first case.
Are credit card fees tax deductible?
For businesses, credit card processing fees are generally tax-deductible as a business expense. Consult your tax advisor for your specific situation.