P/B Ratio Calculator FAQ
What is the P/B ratio?
P/B stands for price-to-book ratio. It compares the market price per share with book value per share and is used as a market valuation multiple.
What is the P/B formula?P/B = Price per share / Book value per share. This calculator can also solve for price per share or book value per share.
When is P/B ratio most useful?
P/B is often most useful for banks, insurers, and other businesses where balance sheet value is especially important. It can be less informative for asset-light businesses with large intangible value.
Why should P/B be used with ROE?
P/B shows how the market values equity, while ROE shows how effectively that equity generates profit. Looking at both together gives a better valuation picture.
How should I interpret P/B ratio?
A higher P/B often means the market expects stronger returns or growth from the equity base. But book value quality matters, so the ratio is best read alongside ROE and the nature of the company’s assets.