Debt-to-Income Ratio Calculator
Calculate your front-end and back-end debt-to-income ratio using income, housing payment, credit cards, loans, and other monthly debt payments.
Income & Monthly Debt Details
Enter your gross monthly income and monthly debt payments, then click Calculate.
This calculator is for estimates only. Lenders may use different DTI rules depending on loan type, credit score, down payment, and other financial details.
Enter your details and click Calculate DTI.
Monthly Debt Breakdown
Housing Cost$0.00
Credit Cards$0.00
Auto Loans$0.00
Student / Personal / Other$0.00
DTI Summary
| Gross monthly income | $0.00 |
| Housing payment used for front-end DTI | $0.00 |
| Total debt used for back-end DTI | $0.00 |
| Suggested front-end DTI guide | 28% |
| Suggested back-end DTI guide | 36% |
Debt-to-Income Ratio Calculator: Calculate Your DTI for Loans and Mortgage
Use this guide with the debt-to-income ratio calculator above to estimate your back-end DTI ratio, front-end housing ratio, total monthly debt, remaining income, and loan affordability status.
What Is a Debt-to-Income Ratio Calculator?
A debt-to-income ratio calculator is a financial tool that compares your monthly debt payments with your gross monthly income. The result is shown as a percentage and is often called your DTI ratio.
Lenders may use DTI to help evaluate whether you can manage a new loan payment. A lower DTI generally means less of your income is already committed to debt payments.
How to Use This DTI Calculator
Enter your monthly gross income and monthly debt payments. Include housing payments, car loans, credit card minimums, student loans, personal loans, and other required debt payments.
Enter Monthly Income
Add your gross monthly income before taxes and deductions.
Add Housing Payment
Enter rent or mortgage plus property taxes, insurance, or HOA if applicable.
Add Monthly Debts
Include car loans, credit cards, student loans, personal loans, and other debts.
Review DTI Results
See front-end ratio, back-end ratio, remaining income, and debt capacity.
Debt-to-Income Ratio Formula
The basic debt-to-income ratio formula is:
For mortgage planning, front-end DTI usually looks only at housing cost. Back-end DTI includes housing plus other monthly debt payments.
What This Debt-to-Income Ratio Calculator Shows
This calculator gives a practical debt ratio estimate using common loan affordability metrics.
Back-End DTI Ratio
Total monthly debt payments divided by gross monthly income.
Front-End Housing Ratio
Housing-related payment divided by gross monthly income.
Total Monthly Debt
The total of housing, car loans, credit cards, student loans, personal loans, and other debts.
Remaining Income
Income left after monthly debt payments are subtracted.
Max Debt at Target DTI
The estimated debt amount allowed under your selected target DTI.
Extra Debt Capacity
The estimated room between current debt and target debt limit.
Debt-to-Income Ratio Example
Suppose your monthly gross income is $6,500 and your total monthly debt payments are $3,100.
Your DTI would be $3,100 ÷ $6,500 × 100, which equals about 47.69%. This may be considered high by many lenders, depending on the loan type.
Front-End DTI vs. Back-End DTI
Front-end DTI focuses only on housing costs, such as rent or mortgage payment, property taxes, insurance, and HOA fees. It helps show how much of your income goes toward housing.
Back-end DTI includes housing plus other monthly debt payments. This is often more important because it shows the full debt burden compared with income.
Why DTI Ratio Matters
DTI ratio matters because it helps lenders estimate whether a borrower may be able to handle more debt. A high DTI can make it harder to qualify for a mortgage, auto loan, refinance, or personal loan.
A lower DTI can also give your budget more flexibility for savings, emergencies, insurance, transportation, housing costs, and everyday expenses.
DTI Planning Tips
Related Calculators and Trusted Loan Resources
Continue planning with related calculators and trusted educational resources about loans, mortgages, credit, and borrowing.
Mortgage Calculator
Estimate monthly mortgage payment, taxes, insurance, PMI, and total cost.
Open Tool → Internal ToolHouse Affordability Calculator
Estimate the maximum home price you may be able to afford.
Open Tool → Internal ToolLoan Calculator
Estimate loan payments, total interest, and payoff cost.
Open Tool → Internal ToolRent Calculator
Estimate how much monthly rent you may be able to afford.
Open Tool →Learn More From Official Consumer Sources
These external resources are provided for educational purposes and open in a new tab.
Loan Options
Review mortgage loan information from the CFPB.
Visit CFPB → CFPBDebt-to-Income Ratio
Learn what DTI means for borrowing decisions.
Visit CFPB → HUDBuying a Home
Review home buying information from HUD.
Visit HUD → USA.govDebt Help
Find official debt and credit help resources.
Visit USA.gov →Frequently Asked Questions
What is a debt-to-income ratio calculator?
A debt-to-income ratio calculator estimates your monthly debt payments as a percentage of your gross monthly income.
How do you calculate DTI ratio?
DTI is calculated by dividing total monthly debt payments by gross monthly income, then multiplying by 100.
What is a good debt-to-income ratio?
A good DTI depends on the lender and loan type. Lower is generally better, and many lenders review ratios around 36% to 43%.
What debts are included in DTI?
DTI usually includes required monthly debt payments such as housing, car loans, credit card minimums, student loans, personal loans, and other debt obligations.
Can this calculator guarantee loan approval?
No. It provides estimates only. Loan approval may also depend on credit score, income stability, assets, down payment, loan type, and lender rules.
Important Disclaimer
This debt-to-income ratio calculator is for educational and informational purposes only. It does not provide financial, mortgage, tax, legal, or credit advice. Actual loan approval and affordability can vary by lender, borrower, loan type, credit profile, income, assets, and underwriting guidelines.