Introduction
Your debt-to-income ratio (DTI) is one of the most important numbers in your financial life. It tells you how much of your monthly income goes toward paying debts. Lenders use this number to decide if you can handle a new loan or mortgage. To find your DTI, you divide your total monthly debt payments by your gross monthly income. A lower DTI means you have more room in your budget, while a higher DTI can be a warning sign that you owe too much. Most lenders like to see a DTI of 36% or less, though some will accept up to 43%. Use this DTI calculator to quickly find your ratio and see where you stand.
How to Use Our DTI Calculator
Enter your gross income and monthly debt payments below, and this calculator will show your front-end and back-end debt-to-income (DTI) ratios along with a full breakdown of how your money is split between housing, debt, and remaining income.
Salary & Earned Income — Enter your total wages, tips, or self-employment income before taxes. You can enter this as a yearly or monthly amount using the dropdown.
Pension & Social Security — Enter any retirement benefits or Social Security payments you receive, either per month or per year.
Investment & Savings Income — Enter income from interest, dividends, capital gains, or rental properties. If you're looking to understand how your investment income contributes to your overall financial picture, our Dividend Calculator and Dividend Yield Calculator can help you estimate those returns.
Bonus & Overtime Income — Enter any regular bonuses, overtime pay, or commissions you earn.
Other Income — Enter any other recurring income such as gift income, alimony received, or child support received.
Rent Payment — Enter your monthly rent amount. Leave this at $0 if you own your home and pay a mortgage instead.
Mortgage Payment — Enter your monthly mortgage principal and interest payment. Do not include escrow amounts that are entered separately below. If you're exploring ways to pay off your mortgage faster, try our Mortgage Payoff Calculator or Mortgage Extra Payment Calculator.
Property Tax — Enter your property tax amount, either monthly or annually.
HOA Fees — Enter any homeowners association dues or condo fees you pay.
Homeowner's Insurance — Enter your homeowner's or renter's insurance premium, either monthly or annually.
Credit Card Payments — Enter the total minimum monthly payments across all your credit cards. Do not enter your full balance — only the minimum payment due.
Student Loan Payments — Enter your monthly student loan payment, including both federal and private loans.
Auto Loan Payments — Enter your monthly car loan or lease payments for all vehicles. You can use our Auto Loan Calculator to estimate or recalculate your monthly car payment.
Child Support / Alimony — Enter any court-ordered monthly child support or alimony payments you are required to pay.
Other Loans & Liabilities — Enter payments for personal loans, medical debt, 401(k) loans, or any other recurring debt not listed above.
What Is a Debt-to-Income (DTI) Ratio?
Your debt-to-income ratio, or DTI, is a simple number that shows how much of your monthly income goes toward paying debts. Lenders use it to decide if you can handle more debt, like a mortgage or car loan. To find your DTI, you divide your total monthly debt payments by your gross monthly income (the amount you earn before taxes), then multiply by 100 to get a percentage. For example, if you earn $5,000 a month and pay $2,000 toward debts, your DTI is 40%.
Front-End DTI vs. Back-End DTI
There are two types of DTI ratios, and both matter when you apply for a loan:
- Front-end DTI looks only at your housing costs — rent, mortgage payments, property taxes, homeowner's insurance, and HOA fees. Most lenders want this number to be 28% or lower.
- Back-end DTI includes all of your monthly debt obligations — housing costs plus credit card minimums, student loans, auto loans, child support, and any other recurring debts. Most conventional lenders prefer this to be 36% or lower, though some government-backed loans like FHA mortgages may accept up to 43%.
Why Your DTI Ratio Matters
Your DTI ratio is one of the most important numbers in personal finance. It directly affects your ability to get approved for mortgages, auto loans, personal loans, and credit cards. A lower DTI tells lenders you have enough income left over after paying debts, which makes you a safer borrower. A higher DTI signals that you may struggle to keep up with payments, which can lead to loan denials or higher interest rates. Understanding your DTI alongside your overall net worth gives you a more complete picture of your financial health.
What Counts as Debt (and What Doesn't)
When calculating your DTI, you should only include recurring debt payments made to lenders or creditors. This includes mortgage or rent, credit card minimum payments, student loans, auto loans, personal loans, child support, and alimony. You should not include everyday living expenses like groceries, utilities, gas, phone bills, streaming subscriptions, or health insurance premiums. These are not debts — they are expenses, and lenders do not count them in your DTI.
What Is a Good DTI Ratio?
Generally, a DTI of 28% or less is considered healthy. Between 29% and 36% is manageable but leaves little room for new debt. Between 37% and 43% means your finances are stretched, and most conventional lenders will hesitate to approve you. A DTI above 43% is considered high risk, and anything above 50% means more than half your income goes to debt — a critical situation that may require professional financial help.
How to Lower Your DTI Ratio
There are two ways to improve your DTI: reduce your debts or increase your income. On the debt side, focus on paying off high-interest debts first, such as credit cards. Two popular strategies for systematic debt repayment are the debt snowball method, which targets the smallest balances first for quick wins, and the debt avalanche method, which targets the highest interest rates first to save the most money over time. You can also refinance loans to get lower monthly payments or consolidate multiple debts into one. If you have a home equity line of credit, our HELOC Calculator can help you understand those payments. On the income side, consider asking for a raise, taking on overtime, starting a side job, or finding new sources of income. Even small changes on either side can move your DTI into a better range and open the door to better loan terms. Over time, using tools like the Rule of 72 Calculator can help you understand how quickly your savings and investments can grow to further strengthen your financial position.