Debt-to-Income Calculator

Calculate your debt-to-income ratio and see how much of your monthly income goes toward debt payments.

DTI Results

Debt-to-Income Ratio 0%
Total Monthly Debt $0.00
Gross Monthly Income $0.00
Income Remaining After Debt $0.00
DTI Range

About the Debt-to-Income Calculator

The Numelios Debt-to-Income Calculator helps estimate the percentage of gross monthly income that goes toward recurring debt payments. This percentage is commonly called the debt-to-income ratio, or DTI.

DTI can provide a simple way to understand how existing debt obligations compare with income. Lenders may also consider debt-to-income ratios when evaluating certain credit and mortgage applications.

How Debt-to-Income Ratio Is Calculated

DTI compares qualifying recurring monthly debt payments with gross monthly income before taxes and other deductions.

DTI = Monthly Debt Payments ÷ Gross Monthly Income × 100

For example, if recurring monthly debt payments total $1,500 and gross monthly income is $5,000, the estimated DTI is 30%.

DTI Example

Gross Monthly Income $5,000
Monthly Debt $1,500
Estimated DTI 30%
Income Remaining $3,500

This simplified example illustrates the calculation only. Different lenders and loan programs may define qualifying income and debt obligations differently.

What Debts May Be Included in DTI?

Housing Payments

Mortgage or qualifying housing obligations may form a significant part of a borrower's recurring monthly debt.

Auto Loans

Required monthly vehicle loan payments may be included when evaluating recurring debt obligations.

Personal Loans

Required payments on installment debt such as personal loans can contribute to the total monthly debt amount.

Credit Card Debt

Required minimum payments on revolving credit accounts may also be considered in a debt-to-income calculation.

Gross Income vs. Take-Home Pay

Debt-to-income calculations commonly use gross income, which is income before taxes and payroll deductions. This is different from take-home pay, which represents the amount actually received after deductions.

Because DTI uses gross income, it should not be treated as a complete household budget. Living expenses, taxes, savings goals, insurance, utilities, and other costs may not appear in the ratio.

Front-End vs. Back-End DTI

In mortgage lending, you may encounter more than one type of debt-to-income ratio. A housing-focused ratio compares qualifying housing expenses with gross income, while a broader ratio can include housing expenses plus other recurring debt obligations.

Definitions and qualification standards can vary by lender and loan program, so a calculator result should be treated as an estimate rather than an approval threshold.

How New Debt Can Affect Your DTI

Adding a new recurring payment can increase the percentage of income committed to debt. Before taking a new loan, it can be useful to estimate the payment first and then include that amount in a DTI calculation.

For example, use the Personal Loan Calculator to estimate a potential personal loan payment or the Auto Loan Calculator when evaluating vehicle financing.

DTI and Home Affordability

Debt obligations can affect how much room remains in a household budget for a potential mortgage payment. Income, debts, interest rates, down payment, taxes, insurance, and other expenses can all influence affordability.

Use the Mortgage Affordability Calculator to explore a broader home-buying scenario, then use the Mortgage Calculator to estimate payments for a specific loan amount, rate, and term.

Frequently Asked Questions

What does debt-to-income ratio mean?

DTI measures recurring monthly debt obligations as a percentage of gross monthly income.

Does DTI use gross or net income?

Debt-to-income calculations commonly use gross income before taxes and other payroll deductions.

Does rent count toward debt-to-income ratio?

Treatment can depend on the purpose of the calculation and the lender or loan program. Mortgage underwriting methods may distinguish between housing expense ratios and broader debt ratios.

Can paying off debt lower DTI?

Reducing or eliminating a qualifying recurring monthly debt payment can lower the debt amount used in the ratio when income remains unchanged.

What is a good debt-to-income ratio?

There is no universal DTI that guarantees approval or defines financial health. Requirements vary by lender, loan type, borrower profile, and underwriting standards.

This calculator is provided for informational and educational purposes only. Results are estimates and do not constitute financial advice, credit approval, mortgage qualification, or a lending decision. Lenders and loan programs may calculate debt-to-income ratios differently.