Debt-to-Income (DTI) Ratio Calculator
Monthly Debt Payments
What is Debt-to-Income (DTI) Ratio?
Your Debt-to-Income (DTI) ratio is one of the most critical metrics lenders use to determine your ability to manage monthly payments and repay debts. It represents the percentage of your gross monthly income that goes toward paying your monthly debt obligations.
Why is DTI Important?
Lenders, including mortgage issuers and auto loan providers, use DTI to assess risk. A lower DTI ratio demonstrates a good balance between debt and income. Conversely, a higher DTI ratio suggests that you may have too much debt for the amount of income you earn, making you a higher risk for default.
Understanding the DTI Formula
The calculation for DTI is straightforward but requires accuracy regarding your financial obligations. The formula is:
(Total Monthly Debt Payments / Gross Monthly Income) x 100 = DTI %
Example Calculation
Let's assume the following scenario:
- Gross Monthly Income: $6,000
- Rent: $1,500
- Car Payment: $400
- Student Loans: $300
- Credit Cards: $200
Total Debts = $2,400.
Calculation: ($2,400 / $6,000) = 0.40 or 40%.
Interpreting Your Score
- 35% or less: Generally viewed as favorable. You have manageable debt relative to your income.
- 36% to 49%: You are managing your debt adequately, but lenders may ask for other eligibility criteria. Specifically, the "28/36 rule" suggests households should spend no more than 28% of income on housing and 36% on total debt.
- 50% or higher: You may have limited borrowing options. Many lenders will not approve a mortgage with a DTI above 43-50%, as it indicates financial distress.
Front-End vs. Back-End DTI
Front-End Ratio: This only includes housing costs (rent/mortgage, insurance, property taxes) divided by income.
Back-End Ratio: This includes housing costs plus all other recurring monthly debts (credit cards, loans, etc.). The calculator above computes your Back-End Ratio, which is the comprehensive figure most lenders care about.