Back to Blog

How much home can I afford with my DTI?

Financial Toolset Team5 min read

Conventional lenders target total debt-to-income ≤ 43% (often 36% preferred). With stable income and strong credit, some approve up to ~45–50%. This tool lets you tune DTI, down payment, taxes, and...

How much home can I afford with my DTI?

Listen to this article

Browser text-to-speech

How Much Home Can I Afford with My DTI?

Understanding how much home you can afford involves more than just looking at your savings account. Your debt-to-income (DTI) ratio plays a crucial role in this calculation. Lenders use your DTI to assess your ability to manage monthly payments and repay borrowed money. This article breaks down how your DTI impacts your home affordability.

Understanding the 28/36 Rule

The 28/36 rule is a widely accepted guideline in mortgage lending that helps determine how much you can realistically afford. According to this rule:

  • Your monthly housing costs should not exceed 28% of your gross monthly income.
  • Your total monthly debt payments should not exceed 36% of your gross monthly income.

Front-End and Back-End Ratios

These ratios help lenders gauge your financial health and your ability to take on additional debt responsibly.

Real-World Example

Let's put these concepts into a practical scenario:

Suppose you earn a gross monthly income of $5,500. Here's how you can calculate your affordable housing costs using the 28/36 rule:

  • Maximum Housing Payment: $5,500 × 0.28 = $1,540
  • Maximum Total Debt Payments: $5,500 × 0.36 = $1,980

If you have $500 in other monthly debts (like credit cards and car loans), your mortgage payment should not exceed $1,480 to stay within the 36% total DTI limit.

Factors Influencing DTI Flexibility

While the 28/36 rule provides a solid foundation, other factors can also influence how much home you can afford:

Common Mistakes and Considerations

Bottom Line

Your DTI ratio is a critical determinant of how much home you can afford. Adhering to the 28/36 rule can help you manage your finances and increase your chances of mortgage approval with favorable terms. By calculating both front-end and back-end ratios and considering additional factors like credit score and down payments, you can make informed decisions about home affordability.

Staying within a total DTI of 36% is generally considered a safe zone, offering a balance between living comfortably within your means and having the capacity to handle unexpected financial challenges. Use online calculators and consult with financial advisors to ensure you're making a decision that aligns with your financial goals and circumstances.

Try the Calculator

Ready to take control of your finances?

Calculate your personalized results.

Launch Calculator

Frequently Asked Questions

Common questions about the How much home can I afford with my DTI?

Conventional lenders target total debt-to-income ≤ 43% (often 36% preferred). With stable income and strong credit, some approve up to ~45–50%. This tool lets you tune DTI, down payment, taxes, and...
How much home can I afford with my DTI? | FinToolset