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Market Capitalization Calculator

Calculate market capitalization, share price, or total outstanding shares for any company instantly.

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What is Market Capitalization?

Market capitalization (often called market cap) represents the total dollar value of a publicly traded company's outstanding shares of stock. Investors and analysts use market cap to determine a company's size, assess investment risk, and compare market values across industries.

Market Capitalization Formula

Market capitalization is calculated by multiplying a company's current share price by the total number of outstanding shares:

$$\text{Market Capitalization} = \text{Share Price} \times \text{Outstanding Shares}$$

For instance, if a public corporation has $10\text{ million}$ outstanding shares trading at $\$150.50$ per share, its total market capitalization is $\$1.505\text{ billion}$.

Market Cap Categories

Companies are typically classified into distinct market cap brackets:

  • Mega-Cap: Market value of $\$200\text{ billion}$ or greater.
  • Large-Cap: Market value between $\$10\text{ billion}$ and $\$200\text{ billion}$.
  • Mid-Cap: Market value between $\$2\text{ billion}$ and $\$10\text{ billion}$.
  • Small-Cap: Market value between $\$300\text{ million}$ and $\$2\text{ billion}$.
  • Micro-Cap: Market value between $\$50\text{ million}$ and $\$300\text{ million}$.
  • Nano-Cap: Market value under $\$50\text{ million}$.

Related Financial Tools

You can also analyze profit margins and business growth using our Markup Calculator and track conversion metrics with the Conversion Rate Calculator.

Frequently Asked Questions

What is the difference between market cap and enterprise value?

Market cap measures only equity value. Enterprise value accounts for equity plus net debt (total debt minus cash), offering a comprehensive valuation of the entire business.

Why does market cap fluctuate daily?

Share prices change constantly throughout trading hours based on supply, demand, earnings reports, and macroeconomic events. Because market cap depends directly on share price, it changes synchronously.

What are outstanding shares?

Outstanding shares refer to all equity shares currently held by all shareholders, including institutional investors, retail stockholders, and company insiders.

Does market cap equal total asset value?

No. Market cap reflects equity valuation assigned by stock market investors, not the balance sheet accounting value of corporate assets.