What is a debt-to-income ratio?

Debt-to-income ratio (DTI) is the percentage of your gross monthly income that goes toward debt payments. Lenders use it to assess your ability to manage additional debt.

How do I calculate my DTI ratio?

Add all monthly debt payments and divide by gross monthly income, then multiply by 100. Formula: DTI = (Total Monthly Debt ÷ Gross Monthly Income) × 100.

What's the difference between front-end and back-end DTI?

Front-end DTI includes only housing costs. Back-end DTI includes all debt payments. Lenders usually focus on back-end DTI.

What DTI do mortgage lenders require?

Conventional loans: 43% max. FHA loans: 43% max (up to 50% with exceptions). VA loans: 41% recommended. USDA loans: 41% max.

How can I lower my DTI ratio?

Pay off debts, increase income, avoid new debt, refinance to lower payments, or make extra payments to reduce balances.

Debt-to-Income Ratio Calculator – Calculate DTI (2026)

Q: What is a good DTI ratio?

A DTI of 36% or lower is considered good. Mortgage lenders typically prefer 43% or less, though some allow up to 50% with compensating factors.

What is Debt-to-Income Ratio?

Debt-to-income ratio (DTI) is a financial metric that compares your total monthly debt payments to your gross monthly income. It's expressed as a percentage and serves as a key indicator of your financial health. Lenders use DTI to evaluate whether you can handle additional debt, particularly for mortgage and loan applications.

Your DTI ratio tells lenders how much of your income is already committed to debt obligations. A high DTI suggests you may struggle to make additional payments, while a low DTI indicates you have room in your budget for new financial obligations. This simple ratio is one of the most important factors in loan approval decisions.

Understanding your DTI is valuable even if you're not applying for a loan. It provides insight into your overall financial situation and can help you identify whether you're overextended. Financial experts generally recommend keeping your DTI below 36% for optimal financial health.

How to Calculate DTI

Calculating your DTI is straightforward. Here's the step-by-step process:

Calculate Gross Monthly Income: Your total earnings before taxes and deductions.
Add All Monthly Debt Payments: Include rent/mortgage, car loans, student loans, credit card minimums, and other recurring debts.
Divide and Multiply: Divide total debt by income and multiply by 100.
Interpret the Result: Compare your percentage to lender guidelines.

DTI Formula

DTI = (Total Monthly Debt Payments ÷ Gross Monthly Income) × 100

Front-End DTI = (Housing Payment ÷ Gross Monthly Income) × 100

Back-End DTI = (All Debt Payments ÷ Gross Monthly Income) × 100

Remaining Budget = Gross Monthly Income − Total Debt Payments

Example Calculation

Gross monthly income of $6,000 with $2,400 in total debt payments:

Gross Monthly Income	$6,000.00
Housing (Rent/Mortgage)	$1,500.00
Car Payment	$400.00
Credit Cards	$200.00
Other Debts	$300.00
Total Monthly Debt	$2,400.00
Front-End DTI	25% ($1,500 ÷ $6,000)
Back-End DTI	40% ($2,400 ÷ $6,000)

Front-End vs Back-End DTI

Debt-to-income ratio is calculated in two ways, each serving a different purpose in the lending process:

Front-End DTI

Also called the housing ratio, front-end DTI includes only housing-related expenses—your monthly mortgage payment (principal, interest, taxes, and insurance), homeowners association fees, and homeowners insurance. Lenders typically want this ratio below 28%.

Back-End DTI

Back-end DTI includes all monthly debt obligations—housing costs plus car loans, student loans, credit card minimums, personal loans, and any other recurring debts. This is the more important ratio for lenders, with most requiring it below 43%.

The back-end DTI is a more comprehensive measure because it reflects your total financial obligations, not just housing costs. A borrower could have a low front-end DTI but a high back-end DTI if they have significant other debts.

What Is a Good DTI Ratio?

Different lenders have different DTI requirements, but general guidelines are:

DTI Range	Assessment
Below 36%	Excellent - Strong financial health
36% - 43%	Good - Acceptable to most lenders
43% - 50%	Fair - Limited options, higher rates
Above 50%	Poor - Difficult to qualify for loans

DTI and Mortgage Approval

DTI is one of the most critical factors in mortgage approval. Different loan programs have different maximum DTI limits:

Conventional Loans: Maximum 43% back-end DTI (some exceptions up to 45-50%)
FHA Loans: Maximum 43% (up to 50% with compensating factors)
VA Loans: Recommended 41% (no hard limit but stricter review above)
USDA Loans: Maximum 41% back-end DTI
Jumbo Loans: Typically 36-43% depending on lender

Even if your DTI is within limits, a lower DTI often qualifies you for better interest rates and more favorable loan terms. Borrowers with DTI below 36% typically receive the best offers.