Finance
Home Affordability Calculator
- Browser-based
- No signup
This home affordability calculator translates salary and existing debt into a suggested purchase price and monthly housing payment. Tune down payment and rate to see how each lever changes what you can afford.
Stress-test with a rate 1% higher than today's quote to see payment if rates rise before closing.
100% Client-Side
Your data never leaves your computer.
How to use this tool
Fill income, debts, down payment, rate, and term. Compare scenarios by adjusting down payment or paying off a debt first.
Worked example
Example: raising down payment from 5% to 15% increases affordable price and lowers PMI exposure in many scenarios.
When to use this
- Annual budget planning.
- Deciding how much to save for down payment.
- Co-buyer alignment on price range.
Common mistakes
- Maxing DTI without emergency fund.
- Assuming lowest advertised rates without credit tier.
- Forgetting closing costs beyond down payment.
Related long-tail tasks
- affordability calculator with taxes
- income needed for 400k house
- afford 300k salary
How it works
Estimates an affordable home price from gross income, a housing-ratio guideline, monthly debts, down payment, interest rate, term, and optional tax, insurance, and HOA costs. Uses common front-end and back-end DTI-style limits—results are planning estimates, not lender approvals.
Limitations
Affordability rules vary by lender and program. Property tax, insurance, and HOA are estimates you provide.
Privacy and file handling
Your data is processed in your browser and is not uploaded to our server.
Formula or method
Affordable housing payment is limited by income × housing ratio and by a 36% total debt guideline minus existing monthly debts. Home price backs out down payment from the loan amount the payment can support.
Important notice
Results are estimates for educational purposes and are not financial advice. Lender guidelines, taxes, insurance, PMI, and local costs vary. Consult a qualified financial professional for personal guidance.
Related Mortgage Affordability Calculator guides
These pages use the same mortgage affordability calculator with guides tailored to specific search intents.
Frequently asked questions
Front-end vs back-end DTI?
The tool uses common affordability heuristics; lenders evaluate both housing and total DTI.
Variable income?
Use conservative average income, not peak bonus years alone.
Investment properties?
This targets primary residence affordability; rentals need different cash-flow analysis.
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