Do utilities count toward debt-to-income ratio?

Utilities generally are not treated as recurring credit obligations in the formal mortgage debt-to-income calculation. However, utilities remain part of the borrower's actual household budget.

Does my spouse's debt count toward my DTI?

The treatment of a spouse's debt depends on who is applying, the state, the loan program and applicable underwriting rules. A loan officer can explain how non-borrowing spouse obligations apply to a specific transaction.

Will paying off a car loan improve my DTI?

Paying off a car loan may improve debt-to-income ratio. However, the remaining number of payments, payoff documentation and loan-program requirements can affect whether the obligation may be excluded without a full payoff.

Does child support count in debt-to-income ratio?

Required child support or alimony obligations may count toward debt-to-income ratio when they meet applicable duration and documentation requirements.

Can I qualify for a mortgage with a higher DTI?

Possibly. Mortgage qualification depends on the complete loan profile, including the loan program, credit history, cash reserves, income stability, down payment, property type and automated underwriting findings.

Does Buy Now, Pay Later debt count toward DTI?

Buy Now, Pay Later obligations may count depending on how they appear on the credit report, bank statements or other underwriting documentation and whether recurring payments remain.

How often is debt-to-income ratio recalculated before closing?

Debt-to-income ratio may be recalculated whenever income, debts, interest rates, property taxes, homeowners insurance or purchase terms change. Credit and employment may also be reverified before closing.

Debt-to-Income Ratio (DTI) Guide: How Mortgage Lenders Calculate Your DTI

Q: What is a good debt-to-income ratio for a mortgage?

There is no single debt-to-income ratio that guarantees mortgage approval. A lower DTI generally provides more flexibility, but acceptable ratios depend on the loan program, credit profile, cash reserves, down payment, property type and underwriting findings.

Q: Do student loans count if they are deferred?

Student loans often count even when payments are deferred. The qualifying payment may be determined using the credit report, a documented payment amount or a loan-program-specific calculation.

Q: Do credit cards count if I pay them off every month?

The reported minimum credit-card payment may count unless the balance is documented as paid and handled according to the applicable underwriting requirements.

Q: Does rent count in mortgage debt-to-income ratio?

Current rent generally is replaced by the proposed housing payment for the new home rather than added as a separate continuing debt, unless the existing rent obligation will continue after closing.

Q: Can overtime or bonus income lower my DTI?

Overtime or bonus income may be used when it has an acceptable history, can be documented and is reasonably expected to continue. The amount used may be averaged according to loan-program requirements.

Quick Mortgage DTI Calculator

Estimate your front-end and back-end debt-to-income ratios.

Gross Monthly Income

$

Proposed Monthly Housing Payment Include principal, interest, taxes, insurance and applicable association dues.

$

Car and Auto Loan Payments

$

Student Loan Payments

$

Minimum Credit Card Payments

$

Personal and Installment Loans

$

Child Support or Alimony Obligations

$

Other Monthly Qualifying Debt

$

Front-End DTI —

Proposed housing payment divided by gross monthly income.

Back-End DTI —

Housing payment plus other qualifying debts divided by gross monthly income.

Lower Moderate Higher

Enter your information to estimate your ratios.

This calculator is educational only. Actual underwriting may use different payment amounts or income calculations based on the loan program and documentation.

Explore This DTI Guide

Jump directly to the topic you need.

What Is Debt-to-Income Ratio?

Debt-to-income ratio, commonly called DTI, compares certain required monthly debt payments with gross monthly income before taxes and other payroll deductions.

Mortgage lenders use DTI to help evaluate whether the proposed housing payment and existing obligations appear manageable. A lower ratio generally means less monthly income is committed to required debt payments.

DTI is important, but it is not the only qualification factor. Credit history, down payment, available assets, income stability, property type and automated underwriting findings can also affect the decision.

How Mortgage Lenders Calculate DTI

A worked example makes the calculation easier to understand.

Gross monthly income$8,000

Proposed housing payment$2,100

Car payment$450

Student loan payment$250

Minimum credit card payments$200

Total monthly debt$3,000

Back-End DTI Example 37.5%

$3,000 ÷ $8,000 × 100

The payment used for underwriting may differ from a borrower’s current payment. For example, student loans, deferred debts, adjustable obligations and certain mortgages may be calculated according to program-specific rules.

Front-End vs. Back-End DTI

Mortgage underwriting may consider one or both ratios.

Comparison	Front-End DTI	Back-End DTI
What it measures	Proposed housing payment compared with gross monthly income.	Proposed housing payment plus other qualifying monthly debts compared with gross monthly income.
Common housing components	Principal, interest, property taxes, homeowners insurance, mortgage insurance and association dues when applicable.	Includes the same proposed housing payment.
Other debt included	No.	Yes—such as auto loans, student loans, credit cards and other recurring obligations.
Why it matters	Shows the share of income devoted to housing.	Shows the broader monthly debt burden and is commonly central to mortgage qualification.

Debts That Usually Count Toward DTI

The exact treatment depends on the obligation and loan program.

Proposed Housing Payment

Principal, interest, taxes, insurance, mortgage insurance and applicable association dues.

Auto Loans and Leases

Required monthly vehicle payments generally count.

Student Loans

The qualifying payment may follow program rules even when a loan is deferred or income-driven.

Credit Cards

Minimum required payments generally count, even if balances are paid in full each month.

Personal Loans

Installment and unsecured loan payments generally count.

Other Mortgages

Payments on retained real estate may count, subject to eligible offsetting income.

Child Support and Alimony

Required obligations may count when they meet applicable duration and documentation rules.

Co-Signed Debt

It may count unless program requirements allow exclusion based on documented payment history by another party.

Expenses that generally do not appear as recurring credit obligations

Utilities Cell phone service Internet service Groceries Fuel Entertainment Routine subscriptions Most voluntary savings contributions

These expenses still affect your real-world budget even when they are not included in the formal mortgage DTI calculation.

What Income May Be Used for Mortgage Qualification?

Income generally must be documentable, stable and reasonably expected to continue.

Salary Income

Regular salaried earnings may be used when employment and continuity requirements are met.

Hourly Income

Qualifying income may depend on regular hours, history and current earnings.

Overtime and Bonus Income

Often requires an acceptable history and evidence that the income is likely to continue.

Commission Income

May require a documented history and may be averaged over an applicable period.

Self-Employment Income

Typically requires analysis of tax returns, business documents and ongoing stability.

Rental Income

May be used subject to lease, tax-return, appraisal and program requirements.

Retirement and Pension Income

May qualify when the amount, receipt and expected continuance are documented.

Social Security or Disability Income

May qualify when eligibility, receipt and continuance requirements are satisfied.

Gross deposits or business revenue are not automatically the same as qualifying income. A mortgage lender may calculate income differently from the amount shown on a pay statement, bank deposit or business profit-and-loss statement.

How Mortgage Lenders View DTI

DTI is important, but underwriting evaluates the complete risk profile.

Credit HistoryPayment history, balances and recent credit activity.

Cash ReservesFunds remaining after closing may strengthen the overall file.

Down PaymentLoan-to-value and borrower investment may influence the risk assessment.

Income StabilityEmployment history and likelihood of continued income matter.

Property TypePrimary residence, second home and investment property rules can differ.

Loan ProgramConventional, FHA, VA, USDA and jumbo programs apply different standards.

Automated UnderwritingSystem findings may affect documentation and allowable ratios.

Residual Income or Cash FlowSome programs evaluate the income remaining after major obligations.

DTI Considerations by Loan Program

There is no single universal maximum DTI for every borrower and transaction.

Conventional Loans

Automated underwriting, credit, reserves, down payment and property type may influence acceptable ratios.

Explore conventional loans

FHA Loans

FHA financing may offer flexible qualification, but the complete credit and underwriting profile still matters.

Explore FHA loans

VA Home Loans

VA underwriting may consider residual income and the overall financial profile in addition to DTI.

Explore VA home loans

USDA Loans

USDA financing applies program-specific income, property and repayment requirements.

Explore loan programs

Jumbo Loans

Jumbo lenders may apply additional requirements involving credit, reserves, assets and documentation.

Explore jumbo loans

The best way to understand your available options is to complete a verified mortgage pre-approval using current income, debts, assets and property assumptions.

How to Improve Your Debt-to-Income Ratio

Small changes can sometimes make a meaningful difference.

01

Pay down revolving balances

Lower minimum required payments may reduce the monthly debt used in DTI.

02

Pay off selected installment debt strategically

Ask your loan officer whether the remaining term and payoff timing will affect qualification.

03

Avoid new financing before closing

A vehicle, furniture or personal loan can increase monthly obligations and alter approval.

04

Document all eligible income

Provide complete records for overtime, bonus, commission, rental or other qualifying income.

05

Consider a different purchase range

A lower proposed housing payment directly reduces both front-end and back-end DTI.

06

Review loan-program options

Different programs may evaluate the same borrower profile differently.

Common DTI Myths

Mortgage qualification is often more nuanced than it appears.

Myth	Reality
Paying off a car always improves DTI immediately.	It may help, but the remaining term, payoff documentation and timing can matter.
A high credit score automatically offsets a high DTI.	Credit can strengthen the file, but DTI remains a separate underwriting consideration.
Every loan program uses the same DTI limit.	Program rules, automated underwriting and lender overlays vary.
All income shown on a pay stub can be used.	Income generally must satisfy history, documentation and continuance requirements.
A zero credit-card balance means no payment counts.	The lender generally uses the reported minimum payment unless the balance is documented as paid or handled under applicable guidelines.
My spouse’s income automatically counts.	Income usually counts only when the spouse is an eligible borrower and the income meets program requirements.

Debt-to-Income Ratio FAQs

Answers to common mortgage DTI questions.

What is a good debt-to-income ratio for a mortgage?

There is no single ratio that guarantees approval. A lower DTI generally provides more flexibility, but acceptable ratios depend on the loan program, credit profile, reserves, down payment and underwriting findings.

Do utilities count toward DTI?

Utilities generally are not treated as recurring credit obligations in the formal mortgage DTI calculation, although they remain part of your real household budget.

Do student loans count if they are deferred?

They often do. The qualifying payment may be determined using the credit report, documented payment or a program-specific calculation.

Do credit cards count if I pay them off every month?

The reported minimum payment may count unless the balance is documented as paid and handled under applicable underwriting requirements.

Does rent count in mortgage DTI?

Your current rent generally is replaced by the proposed housing payment for the new home rather than added as a separate continuing debt, unless the rent obligation will continue.

Can overtime or bonus income lower my DTI?

Possibly, when the income has an acceptable history, can be documented and is reasonably expected to continue.

Does my spouse’s debt count?

That depends on who is applying, the state, the loan program and applicable underwriting rules. Ask your loan officer how non-borrowing spouse obligations are treated.

Will paying off a car loan help?

It may. The remaining number of payments and program requirements can affect whether the obligation may be excluded without a full payoff.

Does child support count in DTI?

Required child support or alimony obligations may count when they meet applicable duration and documentation rules.

Can rental income be used to offset another mortgage payment?

Eligible rental income may offset some or all of a property expense when program documentation and calculation requirements are met.

Can I qualify with a higher DTI?

Possibly. Qualification depends on the complete file, including loan program, credit, reserves, income stability, down payment and automated underwriting findings.

Does a larger down payment reduce DTI?

It may reduce the loan amount and proposed payment, which can lower DTI. The actual effect depends on the rate, taxes, insurance and mortgage-insurance structure.

Can a co-signed loan be excluded?

Some programs may allow exclusion when another party has made the payments from their own account for a required period and documentation supports the history.

Does Buy Now, Pay Later debt count?

It can, depending on how the obligation appears on credit, bank statements or other underwriting documentation and whether recurring payments remain.

How often is DTI recalculated before closing?

DTI may be updated when income, debts, rates, taxes, insurance or the purchase transaction changes. Credit and employment may also be reverified before closing.

Related Mortgage Resources

Continue preparing for mortgage qualification and homeownership.

Mortgage Pre-ApprovalUnderstand your purchasing range before making an offer. Mortgage CalculatorsEstimate payments, affordability and closing costs. Home AffordabilityBuild a practical housing budget beyond the maximum approval. Buying a HomeFollow the complete homebuying roadmap. Mortgage ProcessSee what happens from application through closing. Mortgage FAQsGet answers to common home-loan questions.