What is a good P/E ratio?

There's no universal 'good' P/E ratio — it depends on the industry, growth rate, and market conditions. Generally, a P/E below 15 suggests value, 15–25 is typical, and above 25 may indicate high growth expectations. Always compare within the same sector.

What's the difference between trailing and forward P/E?

Trailing P/E uses earnings from the past 12 months, while forward P/E uses estimated future earnings. This calculator uses the EPS you provide — enter trailing EPS for trailing P/E or analyst estimates for forward P/E.

Yes, if a company has negative earnings (losses), the P/E ratio will be negative. Negative P/E ratios are generally not meaningful for valuation, which is why analysts typically don't report them.

What is earnings yield?

Earnings yield is the inverse of the P/E ratio (EPS ÷ Price), expressed as a percentage. It represents the return on each dollar invested based on earnings and is useful for comparing stocks to bond yields.

P/E Ratio Calculator – Price to Earnings Ratio for Any Stock

Calculate the Price-to-Earnings ratio, earnings yield, and valuation metrics for any stock. Free P/E ratio calculator with instant results.

Last updated: 2026-03-09

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Understanding the P/E Ratio

The Price-to-Earnings (P/E) ratio measures how much investors pay for each dollar of a company's earnings. It's one of the most widely used stock valuation metrics, helping investors assess whether a stock is overvalued, undervalued, or fairly priced.

The Formula

P/E Ratio = Stock Price ÷ Earnings Per Share (EPS)
Earnings Yield = (EPS ÷ Stock Price) × 100

How to Interpret

Below 15: Often considered undervalued or a value stock
15–25: Typical range for established companies
Above 25: May indicate high growth expectations or overvaluation
Always compare P/E ratios within the same industry — tech stocks typically have higher P/E than utilities

Frequently Asked Questions

What is a good P/E ratio?: There's no universal 'good' P/E ratio — it depends on the industry, growth rate, and market conditions. Generally, a P/E below 15 suggests value, 15–25 is typical, and above 25 may indicate high growth expectations. Always compare within the same sector.
What's the difference between trailing and forward P/E?: Trailing P/E uses earnings from the past 12 months, while forward P/E uses estimated future earnings. This calculator uses the EPS you provide — enter trailing EPS for trailing P/E or analyst estimates for forward P/E.
Can P/E be negative?: Yes, if a company has negative earnings (losses), the P/E ratio will be negative. Negative P/E ratios are generally not meaningful for valuation, which is why analysts typically don't report them.
What is earnings yield?: Earnings yield is the inverse of the P/E ratio (EPS ÷ Price), expressed as a percentage. It represents the return on each dollar invested based on earnings and is useful for comparing stocks to bond yields.

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Disclaimer

P/E ratio is one of many valuation metrics and should not be used in isolation for investment decisions. Earnings figures may vary by source and reporting period. This is not investment advice.

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