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Price to Book Ratio Calculator.

Calculate price-to-book valuation ratio.

此计算器尚未完全翻译——部分文本以英文显示。

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Price-to-book ratio: 2

Price-to-book ratio

2

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Cite this calculator

Canonical URL: https://mathify.one/zh/finance/price-to-book-ratio

Cite as: Mathify. (n.d.). Price to Book Ratio Calculator. https://mathify.one/zh/finance/price-to-book-ratio

Use Cases

Value Investing Screening

Identify potentially undervalued stocks by comparing their market price to book value. A low P/B ratio may signal a bargain.

Example: A stock with market cap $1B and book value $1.5B has P/B of 0.67.

Financial Health Assessment

Evaluate how the market values a company's net assets. Useful for comparing companies in asset-heavy industries like banking or insurance.

Example: Compare two banks: one with P/B 1.2 and another with 0.8.

Frequently Asked Questions

What does the price-to-book ratio indicate?
The price-to-book (P/B) ratio compares a company's market value to its book value. A ratio above 1 suggests the market values the company more than its net assets, while below 1 may indicate undervaluation or financial distress.
How is the price-to-book ratio calculated?
Divide the market capitalization by the book value. For example, if market cap is $500 million and book value is $250 million, the P/B ratio is 2.0.
What is a good price-to-book ratio?
It varies by industry. Historically, a P/B ratio under 1 may indicate undervaluation, but for growth companies, higher ratios are common. Compare with peers for meaningful analysis.

Tips & Common Mistakes

Tips

  • Use consistent units for market cap and book value (e.g., both in millions or billions).
  • Compare P/B ratios within the same industry for meaningful insights.
  • Remember that book value is based on historical cost, not current market value.
  • For companies with negative book value, the P/B ratio is not meaningful.

Common Mistakes to Avoid

  • Using total assets instead of shareholders' equity (book value).
  • Mixing units, like market cap in billions and book value in millions.
  • Ignoring intangible assets, which can make book value understated.

Last updated: August 13, 2026