Debt-to-Income Ratio Calculator

Calculate your debt-to-income ratio (DTI) to understand your debt burden and assess your eligibility for loans and mortgages.

Monthly Income

$
Total before-tax income
$
After-tax income

Monthly Debt Payments

$
$
$
$
$
$
Child support, alimony, etc.

Your Debt-to-Income Ratio

Front-End DTI 0% Housing only
Back-End DTI 0% All debt payments
Total Monthly Debt $0
Income Left Over $0

DTI Assessment

0% 20% 36% 43% 50%+
Excellent

Your DTI is in a healthy range.

Lender Guidelines

DTI Range Rating Loan Eligibility
0% - 20% Excellent Best rates, high approval odds
20% - 36% Good Favorable rates, likely approval
36% - 43% Fair May need compensating factors
43% - 50% Poor Limited options, higher rates
Over 50% High Risk Very difficult to qualify

What is Debt-to-Income Ratio?

DTI measures the percentage of your monthly income that goes toward debt payments. Lenders use it to assess your ability to manage monthly payments and repay borrowed money.

  • Front-End DTI: Housing costs ÷ Gross income
  • Back-End DTI: All debt payments ÷ Gross income

How to Improve Your DTI

  • Pay down existing debt
  • Increase your income
  • Avoid taking on new debt
  • Refinance to lower monthly payments
  • Consolidate high-interest debt

Frequently Asked Questions

Conventional loans typically require a back-end DTI of 43% or less, though some lenders allow up to 50% with compensating factors. FHA loans may allow up to 50% DTI. Lower DTI ratios result in better interest rates.

Yes, rent is included in DTI calculations. For mortgage applications, lenders look at your current housing payment (rent or existing mortgage) to assess your ability to handle a new mortgage payment.

No, standard DTI calculations don't include utilities, insurance (except mortgage insurance), groceries, or other living expenses. Only debt obligations with fixed monthly payments are included.

About the Debt To Income Calculator

Debt-to-income ratio (DTI) is the percentage of your gross monthly income that goes to required debt payments. Lenders use it to evaluate mortgage and loan applications. This page covers the calculation, the limits lenders use, and how to improve it.

The Formula

DTI = Monthly debt payments ÷ Gross monthly income × 100. Include: mortgage/rent, auto loans, student loans, credit card minimums, alimony/child support, other installment loans. Exclude: utilities, insurance, food.

Worked Example

$6,000 gross monthly income. Debt: $1,800 rent + $400 car + $200 student loan + $100 credit card minimum = $2,500. DTI: 41.7%.

Lender limits

Conventional mortgage: 43% max (sometimes 50% with strong compensating factors). FHA: 43% standard, up to 56.9% with high credit and reserves. VA: no hard cap but 41% is the rule of thumb. Personal loan: prime rates require under 36% DTI.

Front-end vs back-end DTI

Front-end: housing payment ÷ income (target 28%). Back-end: all debt ÷ income (target 36%). Mortgage lenders look at both; consumer lenders mostly back-end.

Lowering your DTI

Increase income (additional job, raise) or decrease debt. Paying off a $300/month car loan can drop DTI by 5 percentage points — sometimes the difference between approval and denial.

Common Mistakes

  • Including utilities or groceries in DTI. Only required debt counts.
  • Excluding student loans on deferment. Lenders count them anyway (usually 1% of balance as the monthly figure).
  • Calculating DTI on net income. Use gross.

Frequently Asked Questions

Is 50% DTI dangerous?
Yes. After taxes (25%) and DTI (50%), you have 25% of gross for everything else. Tight budget.

Can I lower DTI by transferring debt to a longer term?
Yes — the monthly payment drops. Lenders care about monthly payment, not total balance.

This calculator is for informational purposes only and does not constitute financial, tax, or legal advice. Consult a licensed professional before making significant financial decisions.