How to Use the Debt-to-Income (DTI) Ratio Calculator
When lenders and financial advisors assess how much loan you can safely carry, they look at your debt-to-income (DTI) ratio — total monthly debt payments divided by gross monthly income. This calculator adds up your income and all recurring debt payments (mortgage or rent, auto loans, student loans, credit cards, and more) to show your DTI ratio and how much of your income is left after debt.
As a general guideline, a DTI of 36% or below is considered ideal by most lenders, 36-43% is a caution zone where new credit gets harder to qualify for, and above 43% is considered risky — most conventional mortgage lenders cap DTI near this level, though government-backed loans sometimes allow more with strong compensating factors.
If your ratio comes out high, consider paying down high-interest debt first, refinancing to lower your monthly payment, or increasing your income before taking on new debt. Checking your DTI before applying for a mortgage or major loan can help you avoid a denial or a higher rate.
Frequently Asked Questions
A DTI of 36% or below is generally considered ideal. 36-43% is a caution zone, and most conventional lenders cap DTI around 43%, though some loan programs allow higher with compensating factors.
Include your mortgage or rent, auto loans, student loans, credit card minimum payments, and any other recurring debt payments to get an accurate monthly debt total.
Consider paying down high-interest debt first, refinancing to lower your monthly payment, or increasing your income. Lowering your DTI before applying for a new loan improves your approval odds.