Stock Calculator

You can use this handy stock calculator to determine the profit or loss from buying and selling stocks. It also calculates the return on investment for stocks and the break-even share price.

The Stock Calculator is very simple to use. Just follow the 5 easy steps below:

  1. Enter the number of shares purchased
  2. Enter the purchase price per share, the selling price per share
  3. Enter the commission fees for buying and selling stocks
  4. Specify the Capital Gain Tax rate (if applicable) and select the currency from the drop-down list (optional)
  5. Click on the 'Calculate' button to estimate your profit or loss.
Stock Profit Calculator
Number of Shares:
Purchase Price ($):
Sell Price ($):
Buy Commission:
Sell Commission:
CGT Rate (%):
Net Buy Price:
Buy Commission:
Net Sell Price:
Sell Commission:
Profit / Loss:
Return On Investment:
Break-Even Share Price:


The Stock Calculator uses the following basic formula:

Profit (P) = ( (SP * NS) - SC ) - ( (BP * NS) + BC )


NS is the number of shares,

SP is the selling price per share,

BP is the buying price per share,

SC is the selling commission,

BC is the buying commission.

Rating: 4.7/5 (1250 votes)