Quick answer
Debt ratio = total liabilities ÷ total assets. $150,000 of liabilities against $400,000 of assets is a ratio of 0.375, or 37.5%.
Enter total liabilities and total assets. The calculator returns the ratio as a percentage and a decimal.
Related tools: Debt-to-Income Ratio Calculator: Monthly debt payments as a share of gross monthly income. Debt Service Coverage Ratio Calculator: Net operating income relative to annual debt payments. Current Ratio Calculator: Current ratio from current assets and current liabilities.
How to use the Debt Ratio Calculator
- Enter total liabilities ($) (0 or more).
- Enter total assets ($) (above 0).
- Press Calculate to see the result, and use Reset to start again.
| Input | What to enter | Allowed values |
|---|---|---|
| Total liabilities | A number, in $ | ≥ 0 |
| Total assets | A number, in $ | > 0 |
Formula and method
Formula
debt ratio = total liabilities ÷ total assets
IEEE-754 double precision; money shown to cents, rates to 4 decimals. Results are estimates, not financial advice.
Shown as a percentage and a decimal.
Worked examples
These examples are verified: each one is an automated test case that the live calculator must reproduce exactly.
Example 1
Inputs: Total liabilities = 150000; Total assets = 400000.
| Result | Value |
|---|---|
| Debt ratio | 37.5% |
| As a decimal | 0.375 |
Example 2
Inputs: Total liabilities = 0; Total assets = 1000.
| Result | Value |
|---|---|
| Debt ratio | 0% |
| As a decimal | 0 |
The first line is the headline result (debt ratio). Below it the debt Ratio Calculator lists as a decimal, which describe the same case from other angles. IEEE-754 double precision; money shown to cents, rates to 4 decimals. Results are estimates, not financial advice.
Interpretation
A ratio of 37.5% means 37.5 cents of every asset dollar is financed by debt. Lenders prefer lower ratios; for businesses, a ratio above 0.6 is often considered highly leveraged, though norms differ by industry.
Not the same as DTI
Debt ratio compares balance-sheet totals. The debt-to-income ratio compares monthly debt payments with income, a different test used in mortgage approval. Assets must be positive.
How the result changes with total liabilities
Holding every other input at the first worked example, this table changes only total liabilities. It shows how sensitive the answer is to that one value; each row was produced by running this calculator.
| Total liabilities | Debt ratio | As a decimal |
|---|---|---|
| 75000 | 18.75% | 0.1875 |
| 150000 | 37.5% | 0.375 |
| 300000 | 75% | 0.75 |
| 600000 | 150% | 1.5 |
What happens with invalid input
These messages are produced by the calculator itself, so you know what to fix.
- Total assets: entering "0" shows "Total assets must be greater than 0." beside that field and no result.
- Total liabilities: entering "-1" shows "Total liabilities must be at least 0." beside that field and no result.
Choosing between the Debt Ratio Calculator and similar calculators
Each row shows what a related calculator on this site asks for and what it returns, so you can pick the one that matches your question.
| Calculator | You enter | It returns |
|---|---|---|
| [Debt-to-Income Ratio Calculator](/finance/debt-to-income-ratio-calculator/) | monthly debt payments and gross monthly income | Debt-to-income ratio |
| [Debt Service Coverage Ratio Calculator](/real-estate/debt-service-coverage-ratio-calculator/) | net operating income and annual debt service | DSCR |
| [Current Ratio Calculator](/business/current-ratio-calculator/) | current assets and current liabilities | Current ratio |
| [Quick Ratio Calculator](/business/quick-ratio-calculator/) | cash and equivalents, accounts receivable and current liabilities | Quick ratio |
| [Debt Consolidation Calculator](/finance/debt-consolidation-calculator/) | total balance, current average APR and total monthly payment now | Interest saved |
Background: personal finance estimates
Financial calculators project from the numbers you give them. Long-range tools depend on guesses about returns and tax rates that are unlikely to hold exactly, payoff tools assume a fixed payment and rate, and tax or salary results depend on the tax year, filing status and country. Official calculators say their output is for reference only.
For decisions that matter, use conservative inputs and check the figures against your lender, plan documents or a qualified adviser.
Assumptions and limitations
- Assets must be positive
Results are estimates for planning, not financial advice. Lender terms, fees, taxes and rounding rules can change real figures, so confirm important numbers with your lender or a licensed adviser.
If a required value is empty, not a number, or outside its allowed range, the form marks that field with a message and shows no result instead of a misleading number. The automated checks deliberately try invalid entries for total assets and total liabilities to confirm this.
Frequently asked questions
What is a good debt ratio?
Below 0.4 is often seen as conservative.
Do liabilities include mortgages?
Yes. Total liabilities include mortgages, loans and credit card balances alongside other debts.
Can the ratio exceed 1?
Yes, when liabilities exceed assets.
What does the Debt Ratio Calculator calculate?
Total liabilities as a share of total assets. It returns Debt ratio and As a decimal.
What formula does the Debt Ratio Calculator use?
debt ratio = total liabilities ÷ total assets. Shown as a percentage and a decimal.
What do I need to enter in the debt Ratio Calculator?
You enter Total liabilities ($) and Total assets ($).
How is the result rounded or limited?
IEEE-754 double precision; money shown to cents, rates to 4 decimals. Results are estimates, not financial advice. Assets must be positive.
What is an example of a debt Ratio result?
With total liabilities 150000 and total assets 400000, the debt ratio is 37.5%.
Can I rely on this calculator for a decision?
Results are estimates for planning, not financial advice. Lender terms, fees, taxes and rounding rules can change real figures, so confirm important numbers with your lender or a licensed adviser. For this calculator in particular: Assets must be positive.
Related calculators
- Debt-to-Income Ratio Calculator — Monthly debt payments as a share of gross monthly income.
- Debt Service Coverage Ratio Calculator — Net operating income relative to annual debt payments.
- Current Ratio Calculator — Current ratio from current assets and current liabilities.
- Quick Ratio Calculator — Acid-test ratio of liquid assets to current liabilities.
- Debt Consolidation Calculator — Interest saved by replacing your debts with one fixed loan.
- Ratio Calculator — Simplify a ratio of two whole numbers.
Sources
- Standard time-value-of-money relations (e.g. Brealey, Myers & Allen, Principles of Corporate Finance)
Content last reviewed 2026-11-04. Formulas and worked examples are checked by automated tests against independently computed values.