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Capitalization Ratio Calculator

Enter total debt and total equity to get the capitalization ratio.

How it is calculated

The ratio compares debt with the total capital that finances the company: capitalization ratio = total debt ÷ (total debt + total equity) × 100. Enter both amounts in the same currency and from the same balance sheet date. Debt and equity cannot be negative, and at least one must be above zero. The result is a percentage with two decimals. A ratio of 0% means no debt, and 100% means no equity. The tool does not decide which items count as debt; whether to include only long-term borrowings or also short-term debt and leases is your choice, and the answer changes with it. Equity is book value from the balance sheet, not market capitalisation.

Worked example

A company has total debt of 400,000 and total equity of 600,000. Total capital: 400,000 + 600,000 = 1,000,000. Ratio: 400,000 ÷ 1,000,000 = 0.40, which is 40.00%. So 40% of the company's capital comes from debt and 60% from equity.

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Common mistakes

  • Dividing debt by equity only. That is the debt-to-equity ratio; here the denominator is debt plus equity, so 400 and 600 give 40%, not 66.7%.
  • Using market value for equity in one place and book value in another. Use one basis consistently.
  • Mixing which debt is counted, for example comparing one firm's long-term debt only with another firm's total debt.
  • Entering negative equity from a loss-making firm. The tool rejects negative values, so it cannot show leverage for a company with negative equity.
  • Comparing ratios across industries. Normal levels differ a lot between, say, utilities and software firms.

About this calculator

The capitalization ratio is total debt / (total debt + total equity) — the fraction of a company's capital structure that comes from borrowed money rather than shareholder equity. It uses the total debt you enter; for the long-term version of the ratio, enter only long-term debt.

Credit analysts and lenders use it as a core measure of long-term solvency risk: a higher ratio means more of the company is financed by debt that must eventually be repaid with interest regardless of how the business performs, which is exactly why it's one of the standard covenants lenders monitor and one of the first ratios equity investors check before buying into a heavily leveraged company.

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