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Debt-to-Income (DTI) Ratio Calculator

Calculate your front-end and back-end DTI ratios to see which mortgage programs you qualify for. Enter your income and monthly debts below.

Income
$
rental, side income, etc.
$
Monthly Gross Income
$7,083
Housing Costs
$
$
$
$
$
Other Monthly Debts
$
$
$
$
$
Total Other Debts
$800/mo
Total Housing Payment
$2,250/mo
Front-End DTI (Housing Only)
31.8%Caution
Housing costs / Gross income
31.8%
0%28%36%60%
Back-End DTI (All Debts)
43.1%High
All debts / Gross income
43.1%
0%36%43%60%

Loan Qualification Matrix

Loan TypeMax Front-EndMax Back-EndYour Front-EndYour Back-EndStatus
Conventional28%36%31.8%43.1%Over limit
FHA31%43%31.8%43.1%Over limit
VA41%31.8%43.1%Over limit
USDA29%41%31.8%43.1%Over limit
Jumbo28%36%31.8%43.1%Over limit

How to Improve Your DTI

Your DTI of 43.1% exceeds most loan program limits. Here are ways to lower it:

Pay off credit card debt — Eliminating $100/mo in credit card minimums would lower your DTI to 41.6%
Increase income — You need an additional $10/mo in gross income to reach 43% DTI
Reduce housing target — Keep total housing payment under $2,245 to qualify for FHA

Full Breakdown

Gross Monthly Income$7,083
Housing Costs
Mortgage P&I$1,800
Property Tax$300
Insurance$150
Total Housing$2,250
Front-End DTI31.8%
Other Debts
Car Payment(s)$400
Student Loans$300
Credit Card Minimums$100
Total Other Debts$800
Total All Debts$3,050
Back-End DTI43.1%

Understanding Debt-to-Income Ratio

Your debt-to-income ratio is one of the most important numbers lenders evaluate when you apply for a mortgage. DTI measures how much of your gross monthly income goes toward debt payments. Lenders use this ratio as a key risk assessment tool because it indicates your ability to take on additional debt and still make payments reliably. A lower DTI signals to lenders that you have a healthy balance between income and debt, making you a less risky borrower.

There are two types of DTI ratios. The front-end ratio (also called the housing ratio) includes only housing-related expenses: your mortgage principal and interest, property taxes, homeowner's insurance, HOA dues, and any mortgage insurance. For example, if you earn $7,000 per month and your total housing costs are $1,960, your front-end DTI is 28%. The back-end ratio includes all monthly debt obligations — housing costs plus car payments, student loans, credit card minimums, personal loans, and any other recurring debts. Using the same income with $800 in additional debts, your back-end DTI would be 39.4%.

Different loan programs have different DTI requirements. Conventional loans follow the traditional 28/36 rule — no more than 28% front-end and 36% back-end. FHA loans are more lenient at 31% front-end and 43% back-end, making them popular with first-time buyers who carry more debt. VA loans have no official front-end limit and allow up to 41% back-end DTI, though they evaluate residual income as an additional safeguard. USDA loans allow 29% front-end and 41% back-end. Jumbo loans tend to follow strict conventional guidelines of 28/36, and some jumbo lenders are even stricter.

For DTI calculation purposes, "debt" means minimum monthly payments on all installment loans and revolving credit accounts. This includes your mortgage, car loans, student loans, credit card minimum payments, personal loans, alimony, and child support. Importantly, DTI does not include utilities, groceries, phone bills, streaming subscriptions, gas, or other living expenses. Only obligations that appear on your credit report or are legally required count toward DTI.

If your DTI is too high, you have several options to improve it. The fastest approach is to pay down or pay off revolving debts like credit cards. Increasing your income through a raise, bonus, second job, or adding a co-borrower to the loan application also helps. You can reduce your housing target by choosing a less expensive home, making a larger down payment to lower your mortgage amount, or shopping for lower property tax areas. Some borrowers also refinance existing debts (such as consolidating student loans) to lower their monthly minimums, though this may extend the payoff timeline.

DTI FAQ

What is a good debt-to-income ratio?
Under 36% is ideal for most loan programs. Under 43% qualifies for FHA and VA loans. Below 28% front-end DTI is considered excellent.
Does rent count in DTI?
Only if you will continue paying rent after buying (e.g., you own a rental property). Your new mortgage payment replaces rent in the DTI calculation.
Do student loans on IBR count?
Yes. Lenders use your income-based repayment amount. If your loans are deferred, lenders typically use 0.5% to 1% of the total balance as the monthly payment.
Can I get a mortgage with 50% DTI?
It is rare. Some FHA exceptions exist with compensating factors such as large cash reserves, minimal payment increase over current housing costs, or significant residual income.

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