Debt-to-Income (DTI) Calculator

Find out your DTI ratio to see how mortgage lenders and financial institutions assess your borrowing capacity.

Free to use • Instant calculation • Educational benchmarks

Income & Recurring Debts

Income before taxes & deductions
$

Monthly Debt Payments

$
$
$
$
$
$
Your Debt-to-Income Ratio
32.3%
Healthy Ratio
0% (Excellent) 36% (Target) 43% (Limit) 50%+
Total Monthly Debt
$2,420 / mo
Gross Monthly Income
$7,500 / mo
Front-End DTI (Housing Only)
21.3%
Remaining Monthly Income
$5,080 / mo

Standard Lending Guidelines

Under 36% Healthy — Most mortgage programs easily approved
36% – 43% Manageable — Standard limit for Fannie Mae / Freddie Mac
44% – 50% Elevated — May require FHA loan or strong cash reserves
Over 50% Critical — High risk; debt reduction recommended

How Lenders Use Debt-to-Income (DTI)

Your Debt-to-Income ratio measures the percentage of your gross pre-tax monthly income that goes toward paying recurring debts. It is one of the most critical metrics used by mortgage underwriters, auto lenders, and credit card issuers to assess your ability to manage monthly payments.

The Formula

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

Front-End DTI vs Back-End DTI: Front-end DTI includes only housing costs (mortgage principal, interest, taxes, and insurance). Back-end DTI includes all housing expenses PLUS all installment loans, credit cards, auto loans, and child support. Most general references to "DTI" refer to back-end DTI.

Frequently Asked Questions

No. Credit bureaus (Equifax, Experian, TransUnion) do not track your income, so your DTI ratio is not part of your FICO or VantageScore credit score. However, lenders independently verify both your credit score and your DTI when you apply.

No. Living expenses such as groceries, utility bills, cell phone service, and streaming subscriptions are not considered contractual debt obligations by lenders and are excluded from DTI calculations.

Related Calculators & Guides

Educational Disclaimer: DTI benchmarks provide general educational guidance. Approval standards vary by lender, loan program (e.g. Conventional, FHA, VA), credit score, and down payment. Finova is not a lender and does not issue loan approvals.