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P/E Ratio Calculator

Quick answer

P/E = price ÷ EPS: a 54 share earning 3.60 trades at 15× earnings; its earnings yield, 1 ÷ 15, is 6.7%.

  • Works the same on phone and desktop.

Figures are estimates from this calculator’s standard formula — adjust the inputs in the tool below for your exact number.

How the P/E Ratio Calculator Calculates Results

P/E = share price ÷ earnings per share | Earnings yield = 1 ÷ P/E

The price-to-earnings ratio prices a stock in years of profit: how many currency units investors pay for one unit of yearly earnings. Lower means cheaper, with caveats. The computation rests on P/E = share price ÷ earnings per share | Earnings yield = 1 ÷ P/E. A share trading at 54 with 3.60 of EPS has P/E = 54 ÷ 3.60 = 15 — buyers pay 15 years of current earnings; the inverse earnings yield is 6.7%, comparable to a bond coupon. Each input you type is substituted the instant you release the key, and the result is expressed in exactly the units or currency you chose.

  1. 1

    Step 1

    Start with the primary figures the P/E Ratio Calculator asks for.

  2. 2

    Step 2

    Your values are substituted into P/E = share price ÷ earnings per share | Earnings yield = 1 ÷ P/E.

  3. 3

    Step 3

    Read off the computed result.

  4. 4

    Step 4

    Vary one input at a time to see its effect.

Use Cases

Stock screening

Filtering candidates by relative expensiveness

Sector comparison

Testing a bank stock against the sector multiple

Index valuation

Gauging whole-market froth by average P/E

Earnings-yield framing

Comparing stocks with bond yields directly

Common Mistakes

  • Comparing across sectors

  • Ignoring negative earnings

  • One-off earnings distortions

FAQs

What is a good P/E ratio?

Context: the long-run market average sits near 16–17; a 15 in a growth sector is cheap, the same 15 in utilities is rich — compare within industries.

Trailing vs forward P/E?

Trailing uses the last four reported quarters (3.60 here); forward uses next-year estimates — optimistic estimates flatter the forward figure.

What is the math behind the P/E Ratio Calculator?

The P/E Ratio Calculator applies P/E = share price ÷ earnings per share | Earnings yield = 1 ÷ P/E, where EPS is trailing or forward twelve-month earnings per share.

Does it store the numbers I enter?

No — the P/E Ratio Calculator computes locally in your browser, so nothing you type is saved or transmitted anywhere.

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