Price-to-Earnings Ratio Calculator
Calculate the P/E ratio to evaluate stock valuation
About this calculator
The Price-to-Earnings Ratio Calculator helps investors evaluate whether a stock is overvalued, undervalued, or fairly priced by comparing its current market price to its earnings per share. The P/E ratio is one of the most widely used valuation metrics in fundamental analysis, allowing investors to compare stocks within the same industry or against market averages. A higher P/E ratio may indicate growth expectations, while a lower ratio might suggest undervaluation or declining prospects.
How to use
Enter the stock's current market price per share and the earnings per share (EPS) from the most recent 12-month period. The calculator will instantly compute the P/E ratio by dividing the stock price by the EPS. Compare the result to industry averages and historical P/E ratios to assess valuation.
Frequently asked questions
What is a good P/E ratio for stocks?
Generally, P/E ratios between 15-25 are considered reasonable, but this varies significantly by industry, growth prospects, and market conditions.
What does a high P/E ratio indicate?
A high P/E ratio typically suggests investors expect high earnings growth or the stock may be overvalued relative to current earnings.
Can P/E ratios be negative?
P/E ratios are undefined when earnings are negative. Companies with losses don't have meaningful P/E ratios until they return to profitability.