Homebuyer guide
Debt-to-Income Ratio for a Mortgage: A Plain-English Guide

Debt-to-income ratio, often called DTI, is one way a lender looks at whether a proposed housing payment fits with your existing obligations. It is a practical measurement, not a judgment about your life or your readiness to become a homeowner.
What DTI means
The CFPB defines DTI as monthly debt payments divided by gross monthly income. Its DTI explainer gives a simple example: $2,000 in monthly debt payments divided by $6,000 in gross monthly income equals a 33 percent DTI.
What may be included
Details vary by program and lender, but recurring obligations such as a proposed housing payment, auto loans, student loans, credit card minimums, personal loans, and other required payments can be part of the review. The documents in your file matter more than a rough online estimate.
Why your personal budget still matters
A DTI calculation is not the same as a comfortable monthly budget. You still need room for groceries, childcare, savings, repairs, travel, and the other priorities that make a home sustainable for you.
Prepare a clearer picture
List recurring payments, compare them with gross income, review balances, and avoid adding new debt while you prepare. If a debt is being paid off, ask when and how that change can be reflected in a review.
How Themis Mortgage can help
DTI questions are easier to work through with someone who can explain the inputs in plain language. Themis Mortgage offers buyer guidance before an application feels urgent.
Frequently asked questions
A lower ratio can leave more room in a budget, but qualification depends on the whole mortgage file, including income, credit, assets, property costs, and loan guidelines.
Reducing recurring debt may change both monthly obligations and credit utilisation. Discuss timing with a mortgage professional before making a large financial move.
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