DTI Formula:
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The Debt-To-Income (DTI) ratio is a personal finance measure that compares an individual's monthly debt payments to their monthly gross income. Lenders use DTI to evaluate a borrower's ability to manage monthly payments and repay debts.
The calculator uses the DTI formula:
Where:
Explanation: The equation calculates what percentage of your monthly income goes toward debt payments, including your mortgage.
Details: Most lenders prefer a DTI ratio below 36%, with no more than 28% of that debt going toward servicing your mortgage. A DTI ratio above 43% may make it difficult to qualify for a mortgage.
Tips: Enter all monthly amounts in the same currency. Include all debt payments (credit cards, car loans, student loans, etc.) and your gross (pre-tax) income.
Q1: What's a good DTI ratio for mortgage approval?
A: Ideally below 36%, with mortgage DTI below 28%. Some lenders may accept up to 43-50% with strong compensating factors.
Q2: Does DTI include taxes and insurance?
A: For mortgage DTI, include PITI (Principal, Interest, Taxes, and Insurance) in your mortgage payment amount.
Q3: How can I improve my DTI ratio?
A: Pay down debts, increase your income, or consider a less expensive home to lower the mortgage payment portion.
Q4: Is front-end or back-end DTI more important?
A: Lenders look at both. Front-end considers only housing costs, while back-end includes all debt obligations.
Q5: Does DTI affect credit score?
A: No, but the debts included in DTI calculation do affect your credit utilization which impacts your score.