Debt-to-Equity Ratio Calculator: Total Debt, Liabilities and Target

Formula and definitions

Debt-to-equity ratio = selected debt measure ÷ shareholders’ equity. The result is a multiple (×); for example, 0.50× is also 50%.

Choose interest-bearing debt when you want short- and long-term borrowings divided by equity. Choose total liabilities when your source defines debt as all liabilities. These numerators are not interchangeable: total liabilities can include accounts payable, lease obligations, taxes payable and other claims. Apply one definition consistently across periods and companies.

For an optional comparison, the tool calculates the prior-period ratio with the same formula, then reports the change in ratio points and, when the prior ratio is above zero, its relative percentage change. For a target scenario: debt amount at target = target ratio × current equity; the gap is that amount minus current debt. A positive gap means current debt is below the selected target amount—not that additional borrowing is advisable.

Checked example

With interest-bearing debt of $1,000,000 and shareholders’ equity of $2,000,000, the ratio is $1,000,000 ÷ $2,000,000 = 0.50× (50%). If the prior period had $800,000 debt and $2,000,000 equity, its ratio was 0.40×; the change is +0.10×, or +10 percentage points (25% relative). At a user-entered target of 0.60×, the corresponding debt amount is $1,200,000, which is $200,000 above current debt.

Inputs, limits and interpretation

• Enter balances from the same reporting date, entity scope and accounting basis. Use the same currency and scale for every amount; the currency selector changes display only and does not convert exchange rates.
• Current and prior debt must be from 0 to 1,000,000,000,000,000; equity must be from 0.01 to that same limit. Monetary inputs accept at most 2 decimal places. Zero or negative equity makes this ratio undefined or misleading, so the tool stops with an explanation.
• The optional prior period requires both debt and equity. The optional target must be from 0.000001 to 1,000,000 and may have at most 6 decimal places. Scientific notation is not accepted. This tool does not import financial statements, determine a universally “good” ratio, assess solvency, or provide lending or investment advice.
• Accounting classifications and lease treatment differ. Use the definition required by your analysis and do not compare ratios built from different debt definitions.

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