Market Cap Calculator
Market Capitalization Calculator
Calculate the total market value of a publicly traded company by multiplying its current share price by the total number of shares outstanding. Market cap is one of the most widely used metrics for gauging company size and comparing investments.
HOW TO USE
Calculate Market Cap in 3 Steps
Enter the Share Price
Type the current market price per share. You can find this on any financial news site, your brokerage account, or a stock screener.
Enter Shares Outstanding
Input the total number of shares outstanding. This figure is available in a company's quarterly filings, investor relations page, or financial data providers.
Read the Results
The calculator instantly displays the market capitalization in a readable format along with the full dollar amount and the company's size category.
EDUCATION
Understanding Market Capitalization
Market capitalization represents the total dollar value the market places on a company's outstanding shares. It is calculated by multiplying the current share price by the total number of shares outstanding.
Investors use market cap to compare companies of different sizes and to classify stocks into categories. These categories help set expectations for growth potential, risk, and volatility.
- done_all Mega Cap ($200B+): The largest companies in the world with dominant market positions.
- done_all Large Cap ($10B–$200B): Well-established companies with stable earnings and broad investor following.
- done_all Mid Cap ($2B–$10B): Growing companies that offer a balance of growth potential and stability.
- done_all Small Cap ($300M–$2B): Smaller companies with higher growth potential but also higher volatility.
- done_all Micro/Nano Cap (<$300M): Very small companies that can be highly volatile and less liquid.
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