House Affordability Calculator
Find out how much house you can afford based on income, debts, and down payment.
House Affordability Calculator
Find out how much house you can afford based on income, debts, and down payment.
Property Purchase Formula
ℹ️ Does not include property tax, homeowner's insurance, maintenance, or HOA fees
Disclaimer
Results provided by this calculator are for informational and educational purposes only. They are based on the values you enter and standard formulas, and should not be considered financial, medical, legal, or professional advice. Always consult a qualified professional before making important decisions based on these results. Roughtools makes no warranties regarding the accuracy or completeness of these calculations for your specific situation.
Frequently Asked Questions
Pro Tips
Always verify critical calculations with a second method or source — for important decisions, this tool provides a starting point, not a final answer.
Input accuracy determines output accuracy. Use precise values rather than rough estimates for the most useful results.
Run the calculation multiple times with slightly different inputs to understand the sensitivity of the result to your assumptions.
For professional, financial, medical, or legal decisions, always confirm results with a qualified professional before acting.
When to Use This Calculator
Use the House Affordability Calculator for fast, accurate calculations without installing any software.
Understand the formula and see how changing inputs affects the result for educational purposes.
Get a quick estimate before performing more detailed analysis or consulting a professional.
Accessible from any device — no app to install, no account required, works offline after loading.
Run multiple scenarios quickly by changing one input at a time to understand sensitivities.
About the House Affordability Calculator
This house affordability calculator determines your maximum home purchase price using the 28/36 debt-to-income rule used by mortgage lenders. Enter your gross annual income, monthly debts, down payment, interest rate, and estimated property taxes to see the maximum home price you can comfortably afford. Built for first-time buyers and anyone upgrading or downsizing their home.
How to Use the House Affordability Calculator
- 1
Enter your gross annual household income (before taxes).
- 2
Enter all monthly debt payments (car loans, student loans, credit cards).
- 3
Enter your available down payment amount.
- 4
Enter the current mortgage interest rate and loan term.
- 5
See your maximum affordable home price, monthly payment, and DTI ratios.
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