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Price-to-Book Ratio Calculator

Result

Calculated result 1.5 Based on the values entered.
↗ Finance

Price-to-Book Ratio Calculator The Price-to-Book Ratio Calculator compares a stock's market price to its book value per share. Enter the share price and book value per share to get the P/B ratio. — free online calculator.

Formula

P/B Ratio = Market Price per Share ÷ Book Value per Share
  • Price-to-Book Ratio Calculator calculates its result from Market Price per Share, Book Value per Share. It uses the formula P/B Ratio = Market Price per Share ÷ Book Value per Share. Change any input to recalculate the result instantly.
  • The main inputs are Market Price per Share, Book Value per Share. Enter them in the units and format shown in the calculator.
  • Use monetary amounts, rates and time periods exactly as labeled; the result reflects the assumptions entered on this page.
  • Changing any input above recalculates the result with the same calculation engine used by this page.

Example: Price-to-Book Ratio

Inputs
  • Market Price per Share: 150
  • Book Value per Share: 100

Using Market Price per Share = 150, Book Value per Share = 100, the calculated result is 1.5.

Sample result: Calculating…

Frequently asked questions

What does the Price-to-Book Ratio calculate?

Price-to-Book Ratio Calculator The Price-to-Book Ratio Calculator compares a stock's market price to its book value per share. Enter the share price and book value per share to get the P/B ratio. — free online calculator.

Which values should I enter?

Enter Market Price per Share, Book Value per Share using the units and format shown beside each field.

What formula does this calculator use?

The calculator uses the following relationship: P/B Ratio = Market Price per Share ÷ Book Value per Share.

Why might my result differ from another source?

Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.

Does the result update automatically?

Yes. Changing an input updates the result using the same calculation engine shown on this page.

Page information

Updated: October 7, 2026