Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Stock Market
Market Capitalization Calculator
Calculate a company's market capitalization (market cap) by multiplying its current share price by total outstanding shares. Use it to size a company, classify it by size (small/mid/large/mega cap), and compare it to peers on a fundamental valuation basis.
Fill in the required fields to see your result.
Stock Market
Price-to-Earnings Ratio Calculator
Calculate the price-to-earnings (P/E) ratio of a stock β the price you pay for each dollar of earnings. Use it as the single most-watched valuation metric for comparing stocks against industry peers, historical averages, and the broader market.
Fill in the required fields to see your result.
Key differences
| Market Capitalization Calculator | Price-to-Earnings Ratio Calculator | |
|---|---|---|
| Category | Stock Market | Stock Market |
| Inputs required | 2 | 2 |
| Result | Market Capitalization ($) | P/E Ratio |
| What it does | Calculate a company's market capitalization (market cap) by multiplying its current share price by total outstanding shares. Use it to size a company, classify it by size (small/mid/large/mega cap), and compare it to peers on a fundamental valuation basis. | Calculate the price-to-earnings (P/E) ratio of a stock β the price you pay for each dollar of earnings. Use it as the single most-watched valuation metric for comparing stocks against industry peers, historical averages, and the broader market. |