Debt to Income Ratio Calculator
Calculate your debt-to-income ratio to see how much of your monthly income goes toward debt payments.
What Is a Debt-to-Income Ratio?
Your debt-to-income ratio (DTI) measures the percentage of your gross monthly income that goes toward paying debts. Lenders use this figure to assess your ability to manage monthly payments and repay borrowed money. A lower DTI indicates a healthier balance between debt and income.
How to Calculate Your DTI
The calculation is straightforward. Add up all your monthly debt payments, then divide that total by your gross monthly income (income before taxes and deductions). Multiply the result by 100 to get a percentage.
Formula: (Total Monthly Debt Payments ÷ Gross Monthly Income) × 100 = DTI %
Monthly debt payments typically include mortgage or rent, car loans, student loans, minimum credit card payments, personal loans, and any other recurring debt obligations. Expenses like utilities, groceries, insurance, and taxes are not included.
How to Use This Calculator
- Enter your total gross monthly income in the income field.
- Enter each of your monthly debt payments in the corresponding fields.
- The calculator will automatically sum your debts and display your DTI percentage.
Understanding Your DTI Result
Lenders generally categorize DTI ratios into tiers:
- Below 36%: Considered a healthy ratio. You likely have manageable debt levels relative to your income.
- 36% to 49%: There is room for improvement. You may still qualify for some loans, but lenders may view you as a higher risk.
- 50% or above: This signals significant debt burden. Qualifying for new credit may be difficult, and lenders may require additional documentation or deny applications.
These thresholds are general guidelines. Different lenders and loan programs may have specific requirements.
Common Mistakes When Calculating DTI
- Using net income instead of gross income. Always use your income before taxes and deductions.
- Forgetting minimum credit card payments. Include the minimum required payment, not the full balance.
- Including non-debt expenses. Utilities, phone bills, and subscriptions are not debt payments.
- Omitting irregular debt payments. Include any recurring debt, even if the payment amount varies.
Limitations of the DTI Ratio
While DTI is a useful metric, it does not capture your full financial picture. It does not account for your credit score, savings, assets, or total net worth. Two people with the same DTI may have very different financial situations. Lenders use DTI alongside other factors when making lending decisions.
Practical Use Cases
- Mortgage pre-qualification: Most mortgage lenders require a DTI below 43% to qualify for a conventional loan.
- Personal loan applications: Lenders use DTI to evaluate your repayment capacity.
- Financial planning: Tracking your DTI over time helps you understand how new debt or income changes affect your financial health.
- Rental applications: Some landlords review DTI to assess rental payment reliability.
Frequently Asked Questions
What is a good debt-to-income ratio?
A DTI below 36% is generally considered good. Ratios between 36% and 49% may still qualify for some loans, while 50% or higher is viewed as a high risk by most lenders.
Does DTI include credit card debt?
Yes, but only the minimum monthly payment is counted, not the total balance. If you pay more than the minimum, use the minimum required payment for the calculation.
Should I include my spouse's income and debts?
If you are applying for a joint loan, include both incomes and both sets of debts. For individual applications, use only your own income and debts.
Can I lower my DTI quickly?
You can lower your DTI by increasing your income or paying down existing debt. Paying off a small loan or credit card balance can reduce your monthly obligations and improve your ratio.
Is DTI the same as a credit score?
No. DTI measures your debt relative to income, while a credit score evaluates your history of repaying borrowed money. Lenders consider both, but they are separate metrics.