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Debt-to-Equity Ratio Calculator

Calculate D/E ratio, debt ratio, interest coverage, and other leverage metrics with industry benchmark comparison.

Tested tool guide Tested browser tools Checked August 16, 2026

What Debt-to-Equity Ratio Calculator does, with a checked example

Enter total liabilities, shareholders' equity, total assets, and operating earnings, and this tool returns the debt-to-equity ratio, the debt ratio, and the interest coverage ratio, then positions each result against an industry benchmark band. The most common mistake is reading any D/E above 1.0 as dangerous: a 1.5 is routine in capital-intensive industries such as utilities and real estate, yet concerning in software, so the benchmark matters more than the raw number. Note that the ratio uses total liabilities, not interest-bearing debt, which inflates the figure for companies with large payables or leases.

Worked example

A concrete input and expected output from the current implementation.

Input

Total liabilities: 450,000 | Shareholders' equity: 300,000 | Total assets: 750,000 | EBIT: 120,000 | Interest expense: 30,000

Expected output

Debt-to-equity ratio: 1.5 | Debt ratio: 0.60 | Interest coverage: 4.0

Total liabilities of 450,000 divided by equity of 300,000 gives 1.5; the same liabilities divided by assets of 750,000 gives 0.60; and EBIT of 120,000 divided by interest of 30,000 gives 4.0, meaning operating earnings cover interest four times over.

How the result is produced

1

Ratio definitions

The debt-to-equity ratio divides total liabilities by shareholders' equity. The debt ratio divides total liabilities by total assets. Interest coverage divides earnings before interest and taxes by interest expense. Because the inputs overlap, one set of balance sheet and income statement figures yields all three, shown as numbers and as percentages where appropriate.

2

Benchmark comparison

Each computed ratio is placed against a typical range for the industry you select, showing whether the company sits above, within, or below the band. This context is what makes the tool useful: the same D/E of 1.5 that alarms a lender in one sector is ordinary in another, so the verdict to read is the comparison, not the ratio itself.

Good uses

  • Loan and credit applications, where a lender underwrites leverage and interest coverage, and showing your ratios against industry norms answers the questions before they are asked.
  • Due diligence on an acquisition target or major supplier: a D/E far above the industry band with thin interest coverage signals a counterparty that may struggle to service its debts.
  • Quarterly trend monitoring: a rising D/E alongside falling interest coverage typically precedes cash flow strain, so the ratios flag risk earlier than income statement trends alone.

Limits and checks

  • Total liabilities include non-debt items such as accounts payable, deferred revenue, and accrued expenses. A company with large payables shows a higher D/E than its borrowing burden justifies, so compare it only with peers that carry similar payables.
  • Equity is measured at book value. Cumulative losses or years of buybacks can shrink equity, producing a very large or negative D/E for a company that is still solvent, and the ratio becomes unreadable for comparing across companies.
  • Interest coverage uses EBIT, which ignores non-operating income and one-time charges. A firm with large investment gains can show comfortable coverage while core operations barely cover interest, and a single impairment charge can depress EBIT the same way.

Common questions

What is considered a good debt-to-equity ratio?

No single number is universally good. Capital-intensive industries routinely run above 1.5, while asset-light businesses often operate below 0.5, so the tool's industry band is the reference to use. More important than the level is the direction: a steadily rising D/E with shrinking interest coverage is a warning regardless of where the ratio starts.

Does a negative debt-to-equity ratio mean the company is about to fail?

Not necessarily. A negative D/E appears when shareholders' equity is negative, which happens when cumulative losses or buybacks have erased retained earnings. The company may still be solvent if it can pay its obligations from operations, but the negative sign means book equity is exhausted, so the balance sheet deserves a closer look rather than a judgment based on the ratio alone.

References and verification

The example and behavioral notes were checked against the browser implementation. Standards and primary references below define the relevant format, formula, or platform behavior.

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