2026Mortgage qualificationFree

DTI Calculator 2026

Calculate your debt-to-income ratio and see if you qualify for a mortgage. Front-end and back-end DTI for conventional, FHA, and VA loans.

By Sammy S. · Founder · AuthorUpdated for 2026

28% front-end

Housing ratio target

36% back-end

Total debt target

43% conventional

Max back-end DTI

Up to 60% VA

Most flexible

Monthly income

Gross (before taxes) · updates live

Gross monthly income

Additional monthly income

Bonuses, side income, rental — averaged monthly

Monthly debt payments

Use minimums lenders count toward DTI

Rent / mortgage

Car payments

Student loans

Credit card minimums

Personal loans

Back-end Acceptable

fair · live

25%Good

Front-end

Target ≤28%

39.2%Acceptable

Back-end

Target ≤36%

Your DTI is acceptable but at the upper limit. You may face stricter loan requirements.

0%20364350+

Monthly income

$6,000

Monthly debts

$2,350

Max housing (28%)

$1,680

Est. home price

$249,292

Debt mix

Housing$1,500 · 64%
Car Payments$400 · 17%
Student Loans$300 · 13%
Credit Cards$150 · 6%

Tips

You're close to the 36% ideal threshold - small debt reductions will help
Increasing income also improves DTI - consider side income or raises

Want max home price with rate & down payment? Try the Mortgage Affordability Calculator.

How to use

1Enter gross monthly income (before taxes)
2Add all monthly debt payments
3See front-end DTI (housing) and back-end DTI (total)
4Compare to conventional, FHA, and VA limits
5Review recommendations to improve your ratio

DTI quick reference

DTI	Status
≤20%	ExcellentBest rates
21–36%	GoodStandard approval
37–43%	AcceptableConventional limit
>43%	High riskFHA/VA may help

Formula: (Monthly debts ÷ gross income) × 100

Understanding DTI ratios

DTI quick reference

DTI	Status
≤20%	ExcellentBest rates
21–36%	GoodStandard approval
37–43%	AcceptableConventional limit
>43%	High riskFHA/VA may help

Formula: (Monthly debts ÷ gross income) × 100

DTI Rating Scale

How lenders view your debt-to-income ratio

≤20%

Excellent

Very low debt relative to income - easy approval, best rates

21-36%

Good

Healthy debt level - qualifies for most loans easily

37-43%

Acceptable

At limit for conventional - may need compensating factors

44-50%

High

May need FHA or special programs - fewer options

>50%

Very High

Difficult to obtain new credit - focus on debt paydown

Front-end vs back-end DTI

Front-End DTI (Housing Ratio)

Target

≤ 28%

Includes:

Mortgage payment (principal + interest)
Property taxes
Homeowner's insurance
HOA fees
PMI (if applicable)

Formula: Housing Costs ÷ Gross Monthly Income × 100

Back-End DTI (Total Debt Ratio)

Target

≤ 36%

Includes housing PLUS:

Car payments
Student loans
Credit card minimums
Personal loans
Child support / alimony

Formula: All Debts ÷ Gross Monthly Income × 100

DTI Limits by Loan Type 2026

Loan Type	Front-End Max	Back-End Max	Extended Max*	Notes
Conventional	28-31%	43%	50%	Extended requires excellent credit, reserves
FHA	31-40%	43%	50-57%	More flexible, great for first-time buyers
VA	N/A	41%	60%	Most flexible, veterans only, no PMI
USDA	29%	41%	44%	Rural areas only, income limits apply
Jumbo	28%	36%	43%	Stricter requirements, larger down payment

*Extended limits require compensating factors: excellent credit (720+), large down payment (20%+), significant cash reserves (6+ months). Limits shown for 2026.

How to Lower Your DTI Ratio

Pay Down Credit Cards

Eliminating a $200/month minimum payment drops DTI by ~3% on $6K income

Pay Off Car Loan

A $400/month car payment is a significant DTI contributor - consider payoff

Increase Income

A raise, side hustle, or spouse income all help improve your DTI

Avoid New Debt

Don't open new credit cards or take loans before applying for a mortgage

Refinance Student Loans

Lower monthly payments through income-driven repayment plans

Wait & Save

Pay down debt while saving for larger down payment to reduce loan amount

Why use a DTI calculator?

A DTI calculator (debt-to-income ratio calculator) shows how much of your income goes to debt—the number lenders use to approve or deny mortgages. Before you apply, knowing your front-end and back-end DTI helps you see if you qualify, which loan types fit (conventional, FHA, VA), and whether to pay down debt or increase income first. Using a DTI calculator early can save time and avoid surprises at pre-approval.

When does DTI matter for a mortgage?

Lenders check your debt-to-income ratio on every mortgage application. Conventional loans usually cap back-end DTI at 43% (up to 50% with strong credit and reserves); FHA and VA allow higher. Your DTI also affects the rate you get—lower DTI often means better terms. Use this DTI calculator before house hunting so you know your budget and can fix your ratio if needed.

How student loans are counted in your DTI — the 0.5% vs. 1% rule

Per HUD Mortgagee Letter 2021-13 & Fannie Mae Selling Guide. Program choice significantly affects qualifying DTI for borrowers on income-driven repayment.

Borrowers on income-driven repayment (IDR) plans — SAVE, IBR, PAYE, REPAYE — often have a $0 or near-$0 required monthly payment. But lenders cannot simply use $0; each program calculates a "placeholder" payment differently.

Loan Program	If IDR payment is $0	If IDR payment is > $0	If deferred
FHA (HUD ML 2021-13)	0.5% of balance / mo	Actual documented payment	0.5% of balance / mo
Fannie Mae (conventional)	$0 if fully documented	Actual documented payment	1% of balance / mo
Freddie Mac (conventional)	0.5% of balance / mo	Actual documented payment	0.5% of balance / mo
VA	Actual (or 5% ÷ 12 if deferred)	Actual documented payment	5% of balance ÷ 12

Real impact example: $100,000 in student loans on SAVE at $0/month

FHA (0.5% rule)

Monthly obligation: $500

On $6,000 income: +8.3% DTI

Can push you over 43% threshold

Fannie Mae conventional

Monthly obligation: $0 (documented)

On $6,000 income: +0% DTI

Potentially 8.3% lower DTI vs FHA

Practical tip: If you're on SAVE or another IDR plan with a $0 or low payment, a Fannie Mae-backed conventional loan may qualify you for a significantly higher purchase price than FHA. Provide your most recent loan servicer statement to document your actual payment. Sources: HUD Mortgagee Letter 2021-13; Fannie Mae Selling Guide B3-6-05.

The CFPB's revised QM rule: why the 43% DTI "hard cap" no longer exists

Per CFPB General QM Final Rule (December 2020, mandatory compliance July 1, 2021). What this means for borrowers at 43–50% DTI.

The original 2014 Qualified Mortgage rule under Dodd-Frank included a hard 43% DTI ceiling for QM safe harbor status — meaning loans above 43% DTI had reduced lender legal protections. In December 2020, the CFPB replaced this with a price-based threshold.

Before July 1, 2021 (Old Rule)

• Hard 43% DTI cap for General QM safe harbor
• Loans above 43% DTI: non-QM, higher lender liability
• GSE Patch: Fannie/Freddie eligible loans exempt from DTI cap (temporary)

After July 1, 2021 (Current Rule)

• No hard DTI limit for General QM status
• QM status based on APR vs. APOR spread (≤2.25% for most first liens)
• FHA, VA, USDA loans: QM under separate agency guidelines, no DTI cap

What this means for borrowers at 43–50% DTI in 2026

There is no regulatory hard stop at 43% DTI for most loan types. Whether you qualify depends on: (1) your lender's internal DTI overlay (commonly set at 45% or 50% via automated underwriting), (2) your loan's APR relative to market rates, (3) your credit score, down payment, and cash reserves as compensating factors. A borrower at 46% DTI with a 760+ credit score and 6 months reserves may easily qualify through Fannie Mae's Desktop Underwriter, while a borrower at 42% DTI with a 640 credit score may be denied. Don't self-screen out based on the old 43% rule.

Source: CFPB General QM Final Rule, Regulation Z §1026.43 (December 2020); CFPB Federal Register Vol. 86, No. 82 (April 2021).

DTI vs. credit score: which to fix first — and why the answer depends on where you stand

Based on FHFA Loan-Level Price Adjustment (LLPA) matrix. The interaction between DTI, credit score, and mortgage rate can cost (or save) tens of thousands.

Both DTI and credit score affect mortgage qualification, but they affect different things. DTI is mainly a pass/fail threshold; credit score is the primary driver of your actual interest rate via FHFA's Loan-Level Price Adjustments (LLPAs).

Scenario	Credit Score	DTI	LLPA Add-On	30-Yr Cost Impact ($350K)
Best case	760+	≤36%	Minimal	Baseline
Good score, higher DTI	760+	43–45%	+0.25%	~+$19,000 over 30 yrs
Lower score, lower DTI	680–699	≤36%	+0.75–1.5%	~+$57K–$113K over 30 yrs
Worst case	620–639	43–45%	+2.5–3.5%	~+$188K–$263K over 30 yrs

If your DTI is >43%

Focus on debt paydown first — specifically eliminate the highest-payment-per-month obligations (credit cards, personal loans, car loans nearing payoff). Getting under 43% opens conventional loans; under 36% opens the best terms. Each $200/month reduced = ~3.3% DTI drop on $6,000 income.

If your DTI is already ≤43%

Focus on credit score — reaching 740+ or 760+ typically saves more in lifetime interest than the marginal DTI improvement. Paying down credit card balances to below 30% utilization is the fastest path to a higher score and also reduces DTI simultaneously.

LLPA cost estimates based on FHFA 2026 matrix at 75–80% LTV, 30-year fixed, $350K loan. Rate impact calculated at prevailing 30-year rate. Source: FHFA Loan-Level Price Adjustment matrix; Fannie Mae selling guide.

Target 36% or less for the best rates and easiest approval. Most conventional loans allow up to 43%, FHA allows up to 50%, and VA loans can go up to 60%. The lower your DTI, the more house you can afford and the better your interest rate will be.

Formula: (Monthly Debts ÷ Gross Income) × 100. Example: If you earn $6,000/month gross and have $2,000 in monthly debt payments, DTI = ($2,000 ÷ $6,000) × 100 = 33.3%.

Included: Mortgage/rent, car payments, student loans, credit card minimums, personal loans, child support, alimony, other loan payments. NOT included: Utilities, groceries, insurance (except mortgage insurance), phone bills, subscriptions, entertainment.

Yes, with the right loan type and compensating factors. FHA loans allow up to 50% (57% with strong factors). VA loans allow up to 60% for veterans. Conventional loans may allow up to 50% with excellent credit and reserves. Compensating factors include 720+ credit score, 20%+ down payment, 6+ months cash reserves.

Gross income (before taxes) is used for DTI calculations. This is your total income before any deductions for taxes, insurance, retirement contributions, etc. Lenders use gross because it's a consistent measure across all borrowers.

Lower DTI generally means better rates. Under 36%: best rates, most options. 36-43%: standard rates. 43-50%: higher rates, fewer options. Over 50%: limited to FHA/VA, premium rates. Credit score has the biggest impact, but DTI still affects your rate and options.

The 28/36 rule is a guideline for healthy housing costs. 28%: maximum housing costs (mortgage, taxes, insurance) as percent of gross income. 36%: maximum total debt payments as percent of gross income. Example on $6,000/month income: max housing = $1,680, max total debt = $2,160.

Student loan treatment in DTI varies by loan program. FHA (Mortgagee Letter 2021-13): if your income-driven repayment (IDR) payment is $0, the lender must use 0.5% of the outstanding balance as your monthly obligation. A documented payment above $0 uses the actual amount. Fannie Mae conventional: accepts a documented $0 IDR payment — making conventional the better choice for borrowers on SAVE, IBR, or PAYE with no required payment. Freddie Mac: uses 0.5% of the balance if the payment is $0. VA: uses the actual payment; if deferred, uses 5% of the balance divided by 12. Example impact: $100,000 in student loans at $0/month SAVE payment — FHA adds $500/month to DTI (8.3% on $6,000 income); a Fannie Mae conventional loan adds $0. Always provide your most recent loan servicer statement to your lender. Source: HUD Mortgagee Letter 2021-13; Fannie Mae Selling Guide; Freddie Mac Seller/Servicer Guide.

The original hard 43% DTI cap for Qualified Mortgage (QM) safe harbor was removed by the CFPB in its revised General QM rule (mandatory compliance July 1, 2021). The new General QM definition is price-based: a loan gets QM status if its APR does not exceed the Average Prime Offer Rate (APOR) by more than 2.25 percentage points for most first liens — there is no hard DTI ceiling. FHA, VA, and USDA loans separately get QM status under their own agency guidelines. However, individual lenders still apply internal DTI overlays (often 43–50%) based on automated underwriting (Fannie Mae DU, Freddie Mac LP) outputs. So a borrower at 45% DTI may qualify at one lender and not another, depending on credit score, reserves, and loan size. Source: CFPB General QM Final Rule, December 2020; CFPB Regulation Z §1026.43.

Both matter, but in different ways — and the right priority depends on where you stand. If your DTI is above 43%, focus on paying down the specific debts with the largest monthly payment-to-balance ratio (usually credit cards and personal loans) until you're below the threshold. If your DTI is already under 43%, improving your credit score to 740+ typically has a bigger impact on your actual mortgage rate. Fannie Mae's Loan-Level Price Adjustment (LLPA) matrix applies rate add-ons for scores below 740; a 720 vs. 760 score on a $350,000 loan at 80% LTV can mean a 0.25–0.5% rate difference — roughly $60–$120/month or $20,000–$43,000 over 30 years. The good news: paying down debt both lowers DTI and improves your credit utilization ratio, raising your score at the same time. Source: FHFA LLPA matrix (2026); Fannie Mae Desktop Underwriter guidelines.

Methodology: Front-end DTI = housing costs ÷ gross monthly income. Back-end DTI = all counted monthly debts ÷ gross monthly income. Loan-program limits and student-loan treatment follow CFPB ATR/QM guidance, HUD Mortgagee Letter 2021-13, and GSE selling guides—individual lenders may apply stricter overlays.

Estimates only—not a lender commitment. Confirm DTI treatment and qualification with your loan officer and your Truth in Lending / Loan Estimate documents.