Finance
Determine your DTI ratio and assess your debt-to-income health.
Back-End Debt-to-Income Ratio (DTI)
33.3%Good
Your back-end DTI includes all monthly debt obligations (housing + other debts) divided by gross income. Most lenders prefer ratios below 43%; ratios above 43% signal higher financial risk.
The debt-to-income ratio is a percentage that compares your total monthly debt obligations to your gross monthly income. It tells lenders and financial planners what fraction of your income is already committed to debt repayment. Two versions exist: front-end DTI (housing payments only) and back-end DTI (all debt obligations including mortgages, car loans, credit cards, student loans, and personal loans). Most lenders cap back-end DTI at 43% for mortgage approval, though some allow up to 50% with excellent credit.
The calculator divides your monthly debt payments by your gross monthly income and multiplies by 100 to get a percentage. Front-end DTI includes only housing costs (mortgage/rent, property taxes, homeowners insurance); back-end DTI adds all other recurring debt. A person earning $6,000 monthly with $1,500 housing and $500 other debts has a back-end DTI of 33.3% ((1500+500)/6000 × 100), which is considered healthy by most lenders.
Front-End DTI = (Monthly Housing Payment ÷ Gross Monthly Income) × 100
Back-End DTI = (Total Monthly Debt Payments ÷ Gross Monthly Income) × 100Monthly debt payments include mortgage or rent, property taxes, insurance, car loans, credit card minimum payments, student loans, personal loans, and any other regular debt obligation. Gross income is your total earnings before taxes and deductions. Both ratios are expressed as percentages; lower is better.
| Input | Result | Notes |
|---|---|---|
| Income: $5,000 monthly; housing $1,200; other debts $400 | Front-end: 24%, Back-end: 32% | Well within healthy limits; strong mortgage approval likelihood |
| Income: $4,500 monthly; housing $1,800; other debts $600 | Front-end: 40%, Back-end: 53.3% | Back-end exceeds 43% threshold; likely to struggle with new credit |
| Income: $8,000 monthly; housing $2,500; other debts $1,200 | Front-end: 31.3%, Back-end: 46.3% | Back-end slightly high; pay down debt or boost income to improve ratio |
Below 36% is considered very good; 36–43% is acceptable for most lenders but may limit approval odds; above 43% makes approval difficult. FHA loans sometimes accept up to 50%, but conventional mortgages rarely exceed 43%.
Yes. Lenders use the minimum payment (usually 2–3% of the balance), not the full balance. If you carry a $5,000 credit card balance with a 3% minimum, that's $150 monthly in your DTI calculation.
Use your average net business income over the last 2 years. Some lenders average your last 2 tax returns; others use the last year only. Consult your lender for exact requirements, but for this calculator, use your realistic monthly average.
Yes, typically. Lenders calculate a 'likely payment' based on your outstanding balance and standard 10-year repayment plan, even if you're currently in deferment or forbearance. Deferred loans still affect your approval odds.
If you're applying for a mortgage as a couple, lenders usually combine both incomes and both debts to calculate a joint DTI. A spouse's low income but high debt can hurt your joint ratio; conversely, a spouse's high income helps.
Paying off high-interest debt (credit cards, personal loans) is fastest; even $200/month in credit card payoff lowers your ratio. You can also increase income temporarily or have a spouse join the application with separate income. Avoid new debt applications for 3–6 months before applying for major loans.