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Stock Calculator FullScreen

Calculate the potential profit or loss from a stock investment using our online calculator. By inputting key parameters such as the number of shares, purchase price, and selling price, you can calculate the total return, gain/loss amount, and percentage return.

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.

What is Stock Calculator

A stock calculator is a tool used to perform various calculations related to investing in stocks. It can help investors assess potential returns, evaluate risk, and make informed investment decisions. Here are some common calculations that can be performed using a stock calculator:

  1. Return on Investment (ROI) Calculation: The ROI calculation determines the percentage gain or loss on an investment relative to its initial cost. It considers factors such as the purchase price, selling price, and any dividends or distributions received. It helps investors evaluate the profitability of their stock investments.

  2. Dividend Yield Calculation: The dividend yield represents the annual dividend payment as a percentage of the stock's current market price. It is calculated by dividing the annual dividend per share by the stock's market price per share. This calculation helps investors assess the income-generating potential of dividend-paying stocks.

  3. Price-Earnings (P/E) Ratio Calculation: The P/E ratio is a valuation metric that compares a company's stock price to its earnings per share (EPS). It is calculated by dividing the stock price per share by the EPS. The P/E ratio provides insights into how the market values a company's earnings.

  4. Risk and Volatility Measurement: Stock calculators may also provide tools to calculate risk and volatility indicators such as standard deviation, beta, or variance. These metrics help investors gauge the level of risk associated with a particular stock relative to the overall market.

  5. Position Sizing: Position sizing refers to determining the appropriate amount of capital to allocate to a specific stock investment. A stock calculator can help investors calculate position sizes based on factors like risk tolerance, desired portfolio allocation, and stock-specific characteristics.

  6. Investment Value: Some stock calculators estimate the intrinsic value of a stock based on various valuation methods, such as discounted cash flow (DCF) analysis or dividend discount models (DDM). These calculations provide an indication of whether a stock is undervalued or overvalued.

It is important to note that while stock calculators can provide valuable insights, they are only tools and should be used in conjunction with other research and analysis. Other factors to consider when making investment decisions include company fundamentals, market conditions, industry trends, and risk tolerance.

Stock calculators can be found on financial websites, brokerage platforms, or through specialized software. It is advisable to use reliable and reputable sources to ensure accurate and up-to-date calculations. Additionally, consulting with a financial advisor can provide personalized guidance and support in making investment decisions.

Stock Calculator Example

Certainly! Here's an example of using a stock calculator with a table to calculate the total return on investment for a stock:

Assume the following information for a stock:

Transaction Quantity Price per Share Total Cost
Purchase 100 $100 $10,000
Dividends - - $500
Current - $120 -

To calculate the total return on investment for the stock, we can use the table:

  1. Calculate the total cost of the initial investment: Total Cost = Quantity * Price per Share = 100 * $100 = $10,000

  2. Calculate the current value of the investment: Current Value = Quantity * Current Price per Share = 100 * $120 = $12,000

  3. Calculate the total return: Total Return = (Current Value - Total Cost + Dividends) / Total Cost * 100 = ($12,000 - $10,000 + $500) / $10,000 * 100 = $2,500 / $10,000 * 100 = 25%

The total return on investment for the stock would be 25%.

By using a table, you can organize and calculate the relevant values for each transaction, making it easier to track and evaluate your investment performance. The table allows you to clearly see the quantity, price per share, total cost, dividends received, and current price per share, which are crucial in determining the total return on investment for a stock.