Housing Affordability Index Calculator
Ratio of median home price to median household income.
Calculate the price-to-income ratio for housing affordability in your area. Enter median home price and median household income for an instant result.
What this tool does
Enter median home price and median household income. The tool shows the price-to-income ratio, the standard housing affordability measure.
Enter Values
Formula Used
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Disclaimer
Results are estimates for educational purposes only. They do not constitute financial advice. Consult a qualified professional before making financial decisions.
Housing price-to-income ratio is the clearest affordability benchmark. Ratios under 3 are considered affordable; 3-4 moderately affordable; 4-5 unaffordable; over 5 severely unaffordable. typical is around 8; closer to 13. A 350,000 median price against a 50,000 median income = 7.0 ratio — well above affordable thresholds. Use this to compare cities, track affordability changes, or frame your own decision.
Run it with sensible defaults
Using median home price of 350,000, median household income of 50,000, the calculation works out to 7.00x. Nudge the inputs toward your own situation and the output recalculates instantly. The defaults are meant as a starting point, not a recommendation.
The levers in this calculation
The inputs — Median Home Price and Median Household Income — do not pull with equal force. Not every input has equal weight. Flip one at a time toward extreme values to feel which ones move the needle most for your situation.
How the math works
Standard housing-affordability ratio. Tracked by IMF, OECD, and housing agencies. Bands from Demographia affordability study. The working is transparent — you can verify every step yourself in the formula section below. No black box, no opaque "proprietary model".
Why this matters before you sign
A mortgage is usually the biggest single financial commitment a person makes. The difference between a well-chosen product and a hasty one can run into tens of thousands over the life of the loan. Running the numbers here before committing is the cheapest form of due diligence available.
What this doesn't capture
The figure excludes arrangement fees, valuation costs, legal fees, insurance, and any early-repayment charges — those can add several thousand to the headline cost. Rate changes at renewal for fixed-term deals will shift the picture further. Use this for the core interest/principal math and add the other costs on top.
Housing affordability index produces a ratio based on the inputs provided.
Inputs
This example uses typical values for illustration. Adjust the inputs above to match a specific situation and see how the result changes.
Sources & Methodology
Methodology
Standard housing-affordability ratio. Tracked by IMF, OECD, and housing agencies. Bands from Demographia affordability study.
References
Frequently Asked Questions
Why is this ratio useful?
How does the country compare?
Does the ratio ever go down?
What ratio should I target personally?
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