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Tool-15 // Home Affordability Calculator

How Much Home Can You Actually Afford?

See the maximum home price you qualify for based on your income, debts, and lender guidelines — not what a realtor tells you.

Browser-local inputsNot personalized advice — DisclaimerAbout formulas

Total pre-tax income from all earners.

$

Car loans, student loans, credit card minimums, etc.

$

How much cash you have for a down payment.

$

Current 30-year fixed rate.

$%

Annual property tax as percentage of home value.

$%

Shorter terms mean higher payments but less total interest.

Lenders typically cap housing at 28% of gross income and total DTI at 36%.

Educational estimates only — not personalized financial advice. Calculator inputs stay on your device. Disclaimer · Privacy

// Money Basics

  • What is a mortgage?
  • What is debt-to-income?
  • What is a down payment?
  • What is PMI?
  • What is PITI?
Full Glossary →
Learn the Basics →

// How to use this instrument

Understand the numbers

Plain-English guide for Home Affordability Calculator. Read alongside your results — then re-run scenarios.

What this tool shows you

Rough max home price from income, debts, down payment, rate, DTI-style rule.

This Home Affordability Calculator runs entirely in your browser. Calculator inputs stay on your device and are not stored on TopMoneyTools servers as account data.

Outputs are educational planning estimates. They do not replace lender quotes, tax software, insurance underwriting, or licensed advice.

When to use it

Reach for this tool when: Pre-approval education; shopping range setting.

Use more than one scenario. Changing rate, timeline, or spending often moves the answer more than people expect.

If you are close to a major decision (home purchase, retirement date, large debt payoff), treat this as a pre-conversation tool — then verify with primary documents and a professional who knows your full situation.

How to use it

How to use it: Gross income → monthly debts → down payment → rate → term → rule (e.g. 28/36-style if you use it).

Label units carefully (monthly vs annual income, APR vs monthly rate).

After the first run, stress-test: higher rate, lower return, shorter timeline, or higher expenses. The range matters more than one precise output.

Worked example

Illustrative scenario

Worked example (illustrative only): $90k income, $400 other debt, 10% down, 6.5% → suggested price band.

Swap in your own numbers. The value is seeing how inputs drive outcomes — not treating the sample as a forecast.

Assumptions and limits

  • Lender rules vary
  • taxes/insurance estimates
  • not a commitment letter.
  • Educational model only — markets, tax rules, inflation, and lender terms change.
  • Fees, taxes, insurance underwriting, and product-specific rules may be simplified or omitted.

How to read the results

How to read results: Comfort range vs bank maximum (use lower).

If a result looks surprising, re-check units, whether taxes/fees are included, and whether you modeled best-case assumptions only.

Use related guides and tools below to cross-check the story from another angle.

Common mistakes

  • Maxing lender limit
  • ignoring cash reserves.
  • Anchoring on a single optimistic assumption.
  • Confusing educational estimates with personalized professional advice.

Related guides and tools

  • Budget Planner
  • Mortgage Payment
  • Rent vs Buy
  • Disclaimer

Educational estimates only — not personalized financial advice. Results depend on your inputs. Disclaimer · Privacy · Terms.

// Intel Brief

Why does this happen?

  1. 01

    The 28/36 rule

    Most conventional lenders follow the 28/36 rule: housing costs shouldn't exceed 28% of your gross monthly income, and total debt payments (including housing) shouldn't exceed 36%. These are ceilings, not targets — less is better.

  2. 02

    Your debt-to-income ratio matters as much as your credit score

    DTI is one of the biggest factors in mortgage approval. Even with a great credit score, high existing debt payments can severely limit what you qualify for. Paying down debt before applying can increase your buying power significantly.

  3. 03

    Affordable ≠ comfortable

    Just because a lender says you can afford a certain home doesn't mean you should buy at that price. The lender doesn't account for your lifestyle, savings goals, or childcare costs. A good rule of thumb: keep housing under 25% of take-home pay.

// Learn More

Want to understand the concepts behind these numbers?

  • Read: How Much Home Can You Afford?
  • Glossary: Mortgage
  • Glossary: Debt-to-Income
  • Use: Mortgage Calculator
Modern house exterior with landscaping
Affordability isn't about the maximum — it's about what lets you sleep at night.
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