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Debt-to-Income (DTI) Ratio Calculator

Enter your monthly gross income and debt obligations below to calculate your DTI.

Monthly Debt Payments

Understanding Your Debt-to-Income (DTI) Ratio

Your Debt-to-Income (DTI) ratio is one of the most critical metrics lenders use to assess your financial health and ability to repay borrowed money. It compares your total monthly debt payments to your gross monthly income (before taxes and deductions).

In simple terms, it tells lenders how much of your income is already spoken for by existing debts. A lower ratio suggests you have sufficient income to handle new debt, while a higher ratio indicates you might be overleveraged.

Why Does DTI Matter?

Whether you are applying for a mortgage, an auto loan, or a personal loan, your DTI is almost always factored into the decision. It impacts not only your approval chances but also the interest rates you are offered.

  • Mortgage Approval: For qualified mortgages, lenders generally prefer a DTI ratio of 43% or lower, although some loan programs (like FHA or VA loans) may allow higher ratios with compensating factors.
  • Interest Rates: A low DTI signals low risk to lenders, often resulting in more favorable interest rates, saving you thousands over the life of a loan.
  • Financial Health Check: Even if you aren't borrowing, knowing your DTI helps you understand your budget and determine if you need to focus on debt repayment before taking on new financial goals.

How Is DTI Calculated?

The standard "back-end" DTI calculation, which our calculator uses, includes all recurring monthly debt obligations. It does not typically include utilities, groceries, or discretionary spending.

The formula is:

(Total Recurring Monthly Debt / Gross Monthly Income) x 100 = DTI %

A Realistic Example

Let's look at a typical scenario to see how quickly debt adds up:

  • Gross Monthly Income: $5,000

Monthly Debts:

  • Rent: $1,500
  • Car Payment: $400
  • Student Loan Payment: $300
  • Credit Card Minimums: $150

Total Monthly Debt = $2,350

Calculation: ($2,350 / $5,000) x 100 = 47% DTI Ratio.

In this example, the individual has a 47% DTI, which is considered high risk. They would likely face difficulties getting approved for a traditional mortgage without first paying down some of their existing debt.

What is a Good DTI Score?

While lender requirements vary, general guidelines are:

  • 35% or less (Excellent): You have manageable debt and significant disposable income. You are an ideal candidate for new credit.
  • 36% to 43% (Good/Acceptable): This is the typical range for mortgage approval. Lenders feel reasonably confident in your ability to repay.
  • 44% to 50% (Concern): You are approaching a level where taking on more debt is risky. Some lenders may deny applications.
  • Over 50% (High Risk): More than half your gross income goes to debt. You likely have very little financial flexibility, and borrowing more is strongly discouraged until existing debt is reduced.

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