Free Debt-to-Income Ratio Calculator

Calculate your DTI ratio instantly and see if you qualify for a mortgage or loan. Find out exactly where you stand with lenders — free, fast and accurate.

Advertisement

💳 Your Monthly Finances

Enter your monthly income and all debt payments

Monthly Gross Income
Primary Income before taxes
$
Other Income spouse, rental, side income
$
Monthly Debt Payments
Mortgage / Rent Payment
$
Car Loan Payment(s)
$
Credit Card Minimum Payments
$
Student Loan Payment
$
Personal Loan Payment
$
Other Monthly Debt Payments
$

📊 Your DTI Result

Your Debt-to-Income Ratio
34%
✅ Good DTI
Your DTI is within lender guidelines. You are likely to qualify for most loans and mortgages.
DTI Rating Scale
Excellent
<20%
Good
20–35%
Fair
36–49%
Poor
50%+
💵 Total Monthly Income $5,000
💳 Total Monthly Debt $1,700
📊 Your DTI Ratio 34%
💰 Max Debt at 43% DTI $2,150
📈 Available Debt Capacity $450/mo
🏠 Max Mortgage Payment $1,400/mo

🏦 Lender Qualification Guide — Your DTI vs Requirements

Loan Type Max DTI Required Your DTI Qualification Notes

💡 How to Improve Your DTI Ratio

📈
Increase Your Income
Ask for a raise, take on a side job, or add a co-borrower with income to your loan application.
💳
Pay Down Debt
Focus on paying off smallest balances first to eliminate monthly payments and reduce your DTI fast.
🚫
Avoid New Debt
Do not open new credit accounts or take on new loans before applying for a mortgage or major loan.
🔄
Refinance Existing Debt
Refinancing at a lower rate can reduce your monthly payment and lower your DTI ratio significantly.
Advertisement

What is Debt-to-Income Ratio (DTI)?

Your debt-to-income ratio (DTI) is the percentage of your gross monthly income that goes toward paying your monthly debt obligations. It is one of the most important factors lenders evaluate when you apply for a mortgage, car loan, personal loan or any other type of credit.

Lenders use your DTI to assess your ability to manage monthly payments and repay borrowed money. A lower DTI signals that you have a healthy balance between debt and income — making you a less risky borrower in the eyes of lenders.

How to Calculate DTI Ratio

DTI Ratio = (Total Monthly Debt Payments ÷ Gross Monthly Income) × 100 Example: Monthly Debts: $1,700 (mortgage + car + credit cards) Gross Monthly Income: $5,000 DTI = ($1,700 ÷ $5,000) × 100 = 34%

Front-End vs Back-End DTI

Lenders typically look at two types of DTI ratios. The front-end DTI includes only housing costs — your mortgage principal, interest, property taxes and insurance. The back-end DTI includes all monthly debt payments including housing, car loans, credit cards and student loans. Our calculator computes your back-end DTI which is the more important number for loan qualification.

What is a Good DTI Ratio?

DTI Requirements by Loan Type

Frequently Asked Questions About DTI

What is a good debt-to-income ratio for a mortgage? +
For a conventional mortgage, lenders prefer a DTI of 36% or below, with no more than 28% going toward housing costs specifically. The maximum allowed DTI for most conventional loans is 43%. FHA loans may accept up to 50% DTI in some cases. The lower your DTI, the better your chances of approval and favorable interest rates.
Does DTI affect my interest rate? +
Yes. A lower DTI can help you qualify for lower interest rates because lenders see you as a lower-risk borrower. Combined with a good credit score, a low DTI often results in the most favorable loan terms. A high DTI may result in higher rates or loan denial.
What debts are included in DTI calculation? +
DTI includes all recurring monthly debt obligations reported on your credit report — mortgage or rent, car loans, minimum credit card payments, student loans, personal loans, child support and alimony. It does not include utilities, groceries, insurance premiums or other living expenses.
How can I lower my DTI ratio quickly? +
The fastest ways to lower your DTI are to pay off small debts entirely to eliminate monthly payments, increase your income through a raise or side income, avoid taking on any new debt before applying for a loan, and consider refinancing existing debt at lower rates to reduce monthly payments.
Is DTI the same as credit utilization? +
No. DTI ratio compares your total monthly debt payments to your gross monthly income. Credit utilization compares your credit card balances to your credit limits. Both are important financial metrics but they measure different things. DTI affects loan qualification while credit utilization affects your credit score.

Other Free Calculators