How is stock profit or loss calculated?

(sale price − purchase price) × number of shares, minus any fees.

Does this account for dividends received?

Only if added separately — dividends aren't part of the basic capital gain calculation.

How is percentage return calculated?

(profit or loss ÷ original investment) × 100.

Stock Profit & Loss Calculator - CalculatorLabs.net

Stock Profit & Loss Calculator

Calculate your profit or loss on a stock trade, including commissions and percentage return.

Buy Price per Share ($)

Sell Price per Share ($)

Number of Shares

Total Commissions ($)

Total Cost Basis-

Total Sale Proceeds-

Net Profit / Loss-

Percentage Return-

About the Stock Profit & Loss Calculator

The Stock Profit & Loss Calculator works out how much you made or lost on a trade, after accounting for the number of shares and any broker commissions.

It gives you both the dollar amount and the percentage return, so you can compare the performance of different trades on equal footing.

How to Use This Calculator

Enter the price you paid per share.
Enter the price you sold per share.
Enter the number of shares traded.
Enter any commissions paid (buy and sell combined).
Click Calculate.

Formula

Profit = (Sell Price × Shares) − (Buy Price × Shares) − Commissions. Percentage Return = Profit ÷ Total Cost Basis × 100.

Example

Buying 100 shares at $50 and selling at $65, with $10 in total commissions, gives a net profit of $1,490 — a return of about 29.8% on the $5,000 cost basis.