When to use this calculator
Compare a share price with entered earnings per share. Uses positive earnings only; accounting basis and measurement period should be stated.
Explore the investment return calculators for other questions in this topic. For a related calculation, use the Price to Book Ratio Calculator: Compare share market price with entered book value per share.
PUTTING IT INTO PRACTICE
Price Earnings Ratio: a worked example
The values below are an illustrative example, not a recommendation. Replace them with measurements or assumptions that match your question.
| Input | Example value |
|---|---|
| Share price | 50 |
| Earnings per share | 5 |
| Result | 10 × |
- Check the input labels and enter the example values above.
- Apply the relationship: P/E = price per share/earnings per share.
- The result is 10 ×, rounded for display.
How to interpret your result
Uses positive earnings only; accounting basis and measurement period should be stated.
Return measures must cover the same time period before comparison. CAGR annualises two endpoint values but does not model interim cash flows. Current income yield differs from total return or yield to maturity.
Frequently asked questions
Can CAGR handle money added during the period?
The simple endpoint CAGR model does not account for intermediate deposits and withdrawals. Those require cash-flow-aware methods.
When is the price earnings ratio calculator useful?
Compare a share price with entered earnings per share. Uses positive earnings only; accounting basis and measurement period should be stated.
How do I use the price earnings ratio calculator?
Enter share price, earnings per share. The result updates automatically. Use the units shown beside each input; the example values illustrate the method.
Which formula does this calculator use?
P/E = price per share/earnings per share.
What should I check before using the result?
Uses positive earnings only; accounting basis and measurement period should be stated.
How are results rounded?
Scalar numbers display up to six decimal places, with scientific notation for very large or small values. Text, fraction, date and schedule outputs use the format described on the tool. Intermediate calculations use JavaScript floating-point arithmetic. Keep sensible precision for your measurements.
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