P/E Ratio Calculator (Price to Earnings, Earnings Yield, PEG)
Price-to-earnings ratio, earnings yield and PEG ratio of a share from its price, earnings per share and expected growth.
Results
Price-to-earnings ratio (P/E)
20.00
Earnings yield
5.00
%
PEG ratio (P/E ÷ growth)
2.00
What this tool does
The P/E says how many years of current profits the price represents: at a P/E of 20 you pay 20 times what the company earned last year. Its inverse, the earnings yield, is easier to compare with interest rates — a P/E of 20 is a 5 % earnings yield. The PEG divides the P/E by the expected growth rate as a rough way of judging whether a high multiple is backed by growth. All three rest on accounting earnings and on forecasts, and a negative EPS makes the ratio meaningless, so it is shown as zero.
Formula
P/E = price ÷ EPS · earnings yield = EPS ÷ price · PEG = P/E ÷ growth (%)
Variables
| Symbol | Meaning | Unit |
|---|---|---|
pr | Share price | — |
ep | Earnings per share | — |
gr | Expected yearly earnings growth | % |
PE | Price-to-earnings ratio (P/E) | — |
EY | Earnings yield | % |
PEG | PEG ratio (P/E ÷ growth) | — |
Worked example
- Share price50
- Earnings per share2.5
- Expected yearly earnings growth10 %
- Price-to-earnings ratio (P/E)20.00
- Earnings yield5.00 %
- PEG ratio (P/E ÷ growth)2.00
Limitations
- This is an informational calculator, not personalised financial advice. Rates, fees, taxes and contract conditions vary between institutions and countries.
- The tool works with whatever currency you use for the inputs; it does not convert between currencies.