Debt-to-Income Ratio Calculator - Calculate Your DTI
Calculate your debt-to-income ratio to understand your financial health and borrowing capacity. Our debt to income ratio calculator helps you assess whether your debt levels are manageable and what lenders might think of your application.
Debt-to-Income Calculator
Calculator
Debt-to-Income (DTI) Calculator
Calculate your DTI ratios and check mortgage qualification. For US users: front-end/back-end ratios against Fannie Mae, FHA, and CFPB guidelines (2026). For Danish users: gældsfaktor against Finanstilsynet's god skik rules (BEK nr. 1514, 2023).
Gross income
Income before taxes and deductions.
Housing payment
Include mortgage or rent, property tax, insurance, and HOA fees.
Other monthly debt payments
Include minimum payments on credit cards, auto loans, student loans, and personal loans.
2026 qualification benchmarks (back-end DTI)
Room for additional monthly debt
Estimates only — based on 2026 lending guidelines (Fannie Mae, FHA, CFPB). Actual qualification depends on credit score, reserves, employment, and loan program. Consult a licensed mortgage adviser.
What is Debt-to-Income Ratio?
Debt-to-income ratio (DTI) measures the percentage of your gross monthly income that goes toward paying debts. This financial metric helps lenders assess your ability to manage monthly payments and repay borrowed money. A lower DTI indicates better financial health and makes you more attractive to lenders.
Your DTI includes all recurring monthly debt payments such as mortgage or rent, credit card minimum payments, personal loans, student loans, car payments, and other fixed debt obligations. It does not include everyday expenses like groceries, utilities, or insurance premiums unless they are financed debt payments.
Lenders use DTI as a key factor when evaluating loan applications because it provides insight into your financial stability and risk level. Understanding your DTI helps you make informed decisions about taking on new debt and managing your existing obligations.
The DTI Formula
Calculating your debt-to-income ratio uses a straightforward formula:
Your total monthly debt payments include all recurring debt obligations, while gross monthly income is your pre-tax income from all sources. The result is expressed as a percentage.
For example, if your total monthly debt payments are $2,400 and your gross monthly income is $8,000, your DTI would be 30%. This calculation gives lenders a clear picture of how much of your income is already committed to debt payments, helping them determine your capacity for additional borrowing.
Step-by-Step DTI Example
Let's calculate the DTI for Sarah, who earns $6,500 monthly before taxes. Her monthly debt payments include: mortgage payment of $1,800, car loan payment of $450, student loan payment of $280, and credit card minimum payments totaling $170.
First, add up all monthly debt payments: $1,800 + $450 + $280 + $170 = $2,700. Next, divide this by her gross monthly income: $2,700 ÷ $6,500 = 0.415. Finally, multiply by 100 to get the percentage: 0.415 × 100 = 41.5%.
Sarah's DTI of 41.5% indicates that nearly 42% of her gross income goes toward debt payments. This relatively high ratio might make it challenging to qualify for additional credit or loans from some lenders.
How to Use the Calculator
Using our debt to income ratio calculator is simple and takes just a few minutes. Start by gathering information about your monthly income and debt payments. Enter your gross monthly income, which includes salary, bonuses, freelance income, rental income, and other regular sources before taxes.
Next, input all your monthly debt payments including mortgage or rent, car loans, student loans, credit cards, personal loans, and any other recurring debt obligations. The calculator will instantly compute your DTI percentage and provide guidance on what the ratio means for your financial health.
The tool also shows how different debt levels would affect your ratio, helping you understand the impact of paying down existing debt or taking on new obligations.
Understanding DTI Thresholds
Different types of lenders and loans have varying DTI requirements, but general guidelines can help you assess your financial position. A DTI below 20% is considered excellent and indicates strong financial health with plenty of room for additional borrowing. DTI between 20-36% is generally acceptable to most lenders and suggests manageable debt levels.
A DTI between 37-42% may limit your borrowing options, as some lenders consider this elevated risk. Many mortgage lenders prefer to see DTI below 43%, though some programs allow higher ratios with compensating factors like excellent credit scores or substantial savings.
DTI above 43% can significantly restrict your ability to qualify for new credit, particularly mortgages. If your ratio falls in this range, focus on paying down existing debt before applying for new loans to improve your chances of approval and secure better interest rates.
Improving Your Debt-to-Income Ratio
Reducing your DTI requires either increasing your income or decreasing your debt payments. On the debt side, focus on paying down high-interest debt first, such as credit cards, which can quickly reduce your monthly obligations. Consider debt consolidation if it results in lower monthly payments, but be cautious about extending repayment terms significantly.
Increasing your income through salary negotiations, side work, or passive income streams can also improve your DTI. Even small increases in monthly income can have a meaningful impact on your ratio and borrowing capacity.
Avoid taking on new debt when your DTI is already high, as this will worsen your ratio and potentially damage your credit score if payments become difficult to manage. Instead, focus on building an emergency fund and paying down existing obligations before considering new financial commitments.