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Home, building & household

How much house can I afford?

How much house can I afford?: enter your values and get an instant free result.

Your result

Complete the fields and calculate.

Calculation method and formula

r = Interest rate [% p.a.] ÷ 1200; n = round(Term in years × 12); Affordable monthly payment × (1 − (1 + r)^(−n)) ÷ r + Down payment

Understand the inputs

Affordable monthly payment
Use a measured value or your own assumption.
Interest rate
Unit: % p.a.. Use a measured value or your own assumption.
Term in years
Use a measured value or your own assumption.
Down payment
Use a measured value or your own assumption.

Assumptions and limitations

The model uses equal monthly payments and a nominal annual rate divided by twelve. At zero interest, principal is shared evenly. Fees, insurance and later rate changes are excluded.

The formula uses the specified units. Displayed numbers are rounded; whole packs, item counts and full time periods may also be rounded within the calculation.

Worked example

Illustrative values. Replace them with your own inputs for your calculation.

Affordable monthly payment
1600
Interest rate
4 % p.a.
Term in years
25
Down payment
60000
Example result363,123.97

This result is a non-binding estimate. Actual costs and conditions may vary.

Model revision: October 17, 2026 · How CleverCalc works

FAQ

Frequently asked questions

How does How much house can I afford? work?+

r = Interest rate [% p.a.] ÷ 1200; n = round(Term in years × 12); Affordable monthly payment × (1 − (1 + r)^(−n)) ÷ r + Down payment. The model uses equal monthly payments and a nominal annual rate divided by twelve. At zero interest, principal is shared evenly. Fees, insurance and later rate changes are excluded.

What assumptions should I consider for this result?+

The model uses equal monthly payments and a nominal annual rate divided by twelve. At zero interest, principal is shared evenly. Fees, insurance and later rate changes are excluded. The formula uses the specified units. Displayed numbers are rounded; whole packs, item counts and full time periods may also be rounded within the calculation.

How accurate is the result?+

The formula uses the specified units. Displayed numbers are rounded; whole packs, item counts and full time periods may also be rounded within the calculation. Prices, measurements and model assumptions determine how well the result represents your situation.

Is this calculator free?+

Yes. Calculations and PDF export work without an account or registration.

What happens to my inputs?+

Calculations run in your browser. Results are saved locally only when you add them to My results; favourites and history are also local. Shared links contain your values. The currency tool requests the selected currencies from its rate provider without sending your amount.

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