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Calculate net profit from stock trades with fees & taxes.
Stock Profit Calculator is a free browser-based tool that helps you calculate net profit from stock trades with fees & taxes. It is part of ToolsMonk's stock market tools collection, so you can finish the job without downloading software, creating an account, or jumping between multiple websites.
This tool is especially useful for workflows such as working out the profit on a stock trade including fees, checking the percentage return on an investment, and modelling outcomes at different sell prices. Because it runs directly in your browser, you can use it on desktop, tablet, or mobile while keeping the process fast and easy for one-off tasks as well as repeat work.
Stock Profit Calculator is designed for people who want a practical, privacy-friendly workflow with instant results inside the larger ToolsMonk library.
Enter buy price, sell price, quantity, and any fees
See total profit/loss and percentage return
Adjust the sell price to model scenarios
Use the figures to plan or review trades
Calculates profit or loss on a stock trade from buy/sell price and quantity
Optionally factors in brokerage/fees for net profit
Shows absolute profit and percentage return
Instant results as you type
Runs in your browser — your trade details stay on your device
Free, with no signup
Working out the profit on a stock trade including fees
Checking the percentage return on an investment
Modelling outcomes at different sell prices
Reviewing trade performance
Stock Profit Calculator is a powerful free online tool available on ToolsMonk that helps you calculate net profit from stock trades with fees & taxes. Whether you're a professional, student, or casual user, our stock profit calculator provides instant, accurate results right in your browser without requiring any software installation or account creation.
As part of our Stock Market Tools collection, this tool is designed with simplicity and power in mind. All processing happens client-side, ensuring your data remains completely private and secure. The tool works seamlessly across all modern browsers on desktop, tablet, and mobile devices.
Stock Profit Calculator works out the profit or loss on a stock trade from your buy price, sell price, and quantity — and, importantly, can factor in brokerage and fees for a true net figure alongside the percentage return.
The gross calculation is simple, but the fee element is what makes it honest: brokerage, transaction charges, and taxes are real costs that reduce what you keep, and on small or frequent trades they can turn a modest gross gain into a negligible or negative net one. Looking at net profit avoids a flattering but misleading number.
Read the result two ways. Percentage return lets you compare trades of different sizes fairly (20% on a small position versus 2% on a large one), while absolute profit is the actual cash. Both matter — efficiency and money — and the calculator shows them together.
You can model exit prices before trading to set targets, or review trades afterwards. Everything runs in your browser, keeping your details private, and it's an analysis aid, not financial advice. Pair it with the Average, Dividend Yield, and other ToolsMonk stock calculators.
Always include fees — on small or frequent trades they can erase a gross profit
Compare trades by percentage return, not just cash, to judge efficiency fairly
Model your target and stop-loss exit prices in advance, not just after the fact
Common questions about this tool, its workflow, and what to expect before you use it.
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