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Debt-to-Income Ratio Calculator 2026 — DTI Front-End & Back-End Analysis for Mortgage & Loans

Calculate your debt-to-income (DTI) ratio for mortgage applications, personal loans, and auto financing. See both front-end (housing) and back-end (total debt) DTI ratios with lender guidelines and max affordable payment estimates.

$

Your gross monthly income before taxes

$

Monthly mortgage or rent payment

$

Monthly property tax (if not in mortgage)

$

Monthly HOA or condo fees

$

Monthly auto loan payment

$

Monthly student loan payment

$

Total minimum credit card payments

$

Personal loans, medical debt, etc.

✓Your Results

Monthly Income

$6,000

Total Debt Payments

$2,900

48.3% of income

Remaining Income

$3,100

✅ Positive cash flow

Front-End DTI (Housing)

30.0%

Good
Target: ≤28%Max: 36%

Housing costs: $1,800/mo

Back-End DTI (Total Debt)

48.3%

Fair
Target: ≤36%Max: 43-50%

Total debt: $2,900/mo

💰 Debt Breakdown

Housing
$1,800
62%
Car Loan
$400
14%
Student Loan
$300
10%
Credit Cards
$200
7%
Other Debt
$200
7%

🏡 Max Affordable Housing Payment

$1,060/month

Based on 28% front-end DTI and 36% back-end DTI limits (lender guidelines)

📋 DTI Guidelines for Common Loan Types

Conventional Loan (Fannie Mae/Freddie Mac)≤ 36% (max 45-50%)
FHA Loan≤ 43% (max 50%)
VA Loan≤ 41% (no strict limit)
USDA Loan≤ 29/41%
Auto Loan≤ 36% preferred
Personal Loan≤ 36% preferred
Last Updated: May 2026Author: Financial Metrics TeamSources: CFPB — DTI Ratio Guide · Investopedia — DTI Ratio

How to Use the DTI Ratio Calculator

Enter your monthly gross income and all your monthly debt payments. The calculator instantly shows both front-end (housing) and back-end (total debt) DTI ratios with color-coded gauges, lender guideline comparisons, and your max affordable housing payment.

DTI Formulas

Front-End DTI = Housing Costs ÷ Gross Monthly Income × 100

Back-End DTI = Total Debt Payments ÷ Gross Monthly Income × 100

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🏡Home Affordability Calculator🚘Car Loan Affordability Calculator🏡Mortgage Calculator US🏠Mortgage Refinance Calculator

Disclaimer: This tool is for estimation purposes only. We are not certified financial advisors, CPAs, or legal experts. Please consult a professional before making financial decisions.