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Home Affordability Calculator

Find your maximum home price using the 28/36 rule. Also reverse-calculate required income for a given home price.

How Much Can I Afford?

Income Required for a Home Price

Annual Gross Income ($)

Monthly Debt Payments ($)
car, student loans, credit cards

Down Payment ($)

Interest Rate (%)

Loan Term (years)

About Home Affordability Calculator

Home Affordability Calculator is a free financial planning tool that helps you find your maximum home price using the 28/36 rule. also reverse-calculate required income for a given home price with clear, visual results. Making informed financial decisions requires accurate numbers — this calculator provides them instantly without requiring any sign-up or personal information. Your financial data never leaves your browser.

How to Use

Enter your financial details Fill in the required fields such as amounts, interest rates, time periods, or other relevant values.

Review the results The calculator provides instant results including key figures, charts, and payment breakdowns.

Explore scenarios Adjust the inputs to compare different financial scenarios. See how changes in rate, term, or amount affect the outcome.

Use the insights Apply the results to your financial planning. Share the breakdown with your advisor, partner, or family if needed.

🔒 Privacy note: All processing happens locally in your browser. Your data is never sent to any server.

Why Use Home Affordability Calculator?

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Make Informed Decisions Home Affordability Calculator turns abstract financial questions into concrete numbers. See exactly how different scenarios affect your money before making commitments.

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Visual Breakdowns Charts, tables, and summaries make complex financial calculations easy to understand. Share results with your family, advisor, or business partners.

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Financial Privacy Your salary, debts, investments, and other sensitive financial data stays in your browser. Nothing is transmitted or stored on any server.

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Instant Scenarios Adjust any input and see results update in real time. Compare multiple scenarios in seconds to find the best path for your financial goals.

Frequently Asked Questions

The 28/36 rule is a guideline for home affordability. The "28" means your monthly housing costs (mortgage principal, interest, taxes, insurance) should not exceed 28% of your gross monthly income. The "36" means your total monthly debt payments (housing plus car loans, student loans, credit cards, etc.) should not exceed 36% of gross monthly income. Lenders use this as a starting framework, though many will approve up to 43% DTI.

Debt-to-income (DTI) ratio is your total monthly debt payments divided by your gross monthly income. It's the primary metric lenders use to evaluate mortgage applications. Front-end DTI is just housing costs; back-end DTI includes all debt. Conventional loans typically require back-end DTI below 43%. FHA loans may allow up to 50%. A lower DTI means better loan terms and rates. Paying down existing debts before applying improves your DTI and buying power.

Affordability (what this calculator shows) is what you can comfortably afford based on financial rules of thumb. Pre-approval is what a lender will actually approve based on your credit score, income verification, assets, and current rates. Pre-approval may be higher or lower than what's truly comfortable. Always consider your full financial picture — emergency fund, retirement savings, lifestyle costs — before buying at the maximum pre-approval amount.