Trading Fee Impact Calculator
Enter buy and sell trade values plus your own buy and sell fees as percentages or fixed amounts to compare gross profit with net profit after fees. No broker, exchange, country, tax, or commission schedule is assumed.
Use the Trading Fee Impact Calculator to see how user-entered buy and sell fees change a trade result. Enter buy and sell trade values, choose percentage or fixed-amount fees, and compare gross profit or loss with the result after those fees. The calculator does not assume any broker, exchange, country, tax, or commission schedule.
How to use the trading fee impact calculator
- Enter the total buy trade value.
- Enter the total sell trade value.
- Choose percentage fees or fixed fee amounts, then enter the buy and sell fees you actually want to test.
- Compare total fees, gross profit or loss, net profit or loss, gross return, net return, and fees as a percentage of the buy value.
How the fee calculation works
In percentage mode, buy fee = buy value × buy fee rate and sell fee = sell value × sell fee rate. In fixed mode, the entered amounts are used directly.
Gross profit or loss = sell value − buy value. Net profit or loss = gross profit or loss − buy fee − sell fee.
Gross return uses the buy trade value as the denominator. Net return uses total initial cash outlay, defined here as buy trade value plus buy fee.
The calculator only includes the fee inputs you provide. Taxes, exchange levies, spread, slippage, foreign-exchange effects, financing costs, and other charges are excluded unless you deliberately include them in the entered fee amounts.
Privacy, scope, and investment notice
All calculations run locally in your browser. This is country-neutral arithmetic and does not retrieve live broker fee schedules. Fee structures can include minimum charges, tiered rates, caps, taxes, regulatory levies, currency conversion charges, and other rules that this simple calculator does not infer. Verify the inputs against your actual broker or market before relying on the result. This tool is not investment advice.
Trading fee impact calculator FAQ
Can I use this in any country?
Yes, because you enter the fees yourself. The calculator does not embed country-specific rates.
Does it know my broker commission?
No. Enter the commission or fee rate/amount you want to test.
Can buy and sell fee rates be different?
Yes. Enter them separately.
Can I enter zero fees?
Yes. Zero is valid and makes the net result equal the gross result.
How is net return calculated?
Net profit or loss is divided by the buy trade value plus the buy fee.
Are taxes included?
No, unless you intentionally include a tax amount inside a fixed fee input. The tool does not determine tax liability.
Does it include spread or slippage?
No. Use actual transaction values if you want those effects reflected indirectly.
Can I use fixed fees instead of percentages?
Yes. Select fixed amount and enter the buy and sell charges directly.
Are my trade values uploaded?
No. The calculation runs in your browser.