Stock Profit Calculator
Profit, return and break-even on a trade.
Enter your values
Results update instantly as you type — no submit needed.
Results
- Net profit after tax
- $1,950.75
- Gross profit
- $2,295.00
- Return on investment
- 36%
- Break-even sell price
- $42.50
- Tax owed
- $344.25
- Total proceeds
- $8,670.00
Quick answer
Net profit is sale proceeds minus purchase cost and all commissions; break-even is the price that covers both fees.
How to use the Stock Profit Calculator
- 1Enter the number of shares and your buy price.
- 2Enter the sell price and any commission.
- 3Add your capital gains tax rate for the after-tax figure.
Frequently asked questions
Do I owe tax on unrealised gains?
No — tax applies only when you sell.
What about long-term rates?
Holding over a year usually qualifies for lower long-term capital gains rates in the US.