Debt-to-Income (DTI) Ratio Calculator
💰 Incomes (Before Tax)
📊 Debts / Expenses
Your Debt-to-Income (DTI) Ratio
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Safe (<35%)Manageable (35-50%)Stressful (>50%)
Enter your financial details and click Calculate
Back-End DTI Ratio
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Total monthly debt ÷ Gross monthly income
Front-End DTI Ratio
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Housing expenses ÷ Gross monthly income
Total Income
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Total Debt
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Income Breakdown
House Expenses
Other Debts
Remaining Income
House Affordability Estimate: If you live in the U.S. and have plans to purchase a house after halted payments towards preexisting rent and mortgage, you can spend up to -- per month on the new house, which is equivalent to a house valued up to --.*
* Based on 30-year conventional loan at 6.288% interest, 20% down payment and estimation of 2% spent on property tax and insurance. Please use our House Affordability Calculator for other variations.
* Based on 30-year conventional loan at 6.288% interest, 20% down payment and estimation of 2% spent on property tax and insurance. Please use our House Affordability Calculator for other variations.
Our free DTI Ratio Calculator instantly calculates both your Front-End and Back-End Debt-to-Income ratios — showing you exactly where you stand with lenders, how much of your income goes to debt, and how much house you may be able to afford based on standard lending guidelines.
How to Use This Calculator
1
Enter all sources of gross income before tax — salary, pension, investment income, and any other income — and select whether each is a yearly or monthly figure.
2
Enter all monthly debt payments — rent, mortgage, credit card minimums, auto loan, and other loans — and select the correct period for each.
3
Click Calculate to instantly see your Back-End DTI, Front-End DTI, income breakdown chart, and an assessment of your financial standing.
4
Review the house affordability estimate at the bottom — it shows the maximum monthly payment and home value you may qualify for based on standard lender limits.
5
If your DTI is too high use the results to identify which debts are driving it up — then focus on paying those down first to improve your ratio.
DTI Limits by Loan Type
| Loan Type | Front-End DTI Max | Back-End DTI Max | Difficulty to Qualify |
|---|---|---|---|
| Conventional Loan | 28% or less | 36% or less | Strictest — best rates |
| FHA Loan | 31% or less | 43% or less | More flexible — lower credit OK |
| VA Loan | No set limit | 41% preferred | Flexible for veterans |
| USDA Loan | 29% or less | 41% or less | Rural areas only |
| DTI Above 50% | Too high | Too high | Most lenders will decline |
Frequently Asked Questions
For a conventional mortgage the ideal DTI is 36% or below for your back-end ratio and 28% or below for your front-end (housing) ratio. This gives you the best chance of approval with the lowest interest rates. FHA loans allow up to 43% back-end DTI making them popular for first-time buyers with higher debt loads. Staying below 36% overall gives you the most loan options and best terms from virtually any lender.
Front-End DTI (also called the housing ratio) only includes your monthly housing costs — rent or mortgage, property taxes, insurance, and HOA fees — divided by your gross monthly income. Lenders prefer this below 28%. Back-End DTI is more comprehensive — it includes all monthly debt payments including housing costs plus credit cards, auto loans, student loans, and other obligations. This is the number most lenders focus on and they prefer it below 36% to 43%.
There are two ways to lower your DTI — increase your income or decrease your monthly debt payments. The fastest impact comes from paying off installment loans like auto loans or personal loans since eliminating a monthly payment immediately reduces your DTI. You can also consolidate high-interest debts into a single lower-payment loan. On the income side adding a side income, overtime, or a raise directly reduces your DTI ratio without touching your debt at all.
Your DTI ratio itself does not directly impact your credit score — credit bureaus do not factor it in. However the underlying debts that create a high DTI do affect your credit score indirectly. High credit card balances raise your credit utilization ratio which is a major factor in your score. And missing debt payments due to financial strain from a high DTI damages your payment history — the most important credit score factor. So while DTI and credit score are separate metrics they are closely linked in practice.
Want to Understand DTI Ratio Fully?
Read our complete guide — what DTI is, how it is calculated, front-end vs back-end explained, and proven ways to improve your ratio.