Essential Calculator

House Affordability Calculator

Use this house affordability calculator to estimate a home price based on income, debts, down payment, and target housing ratio.

How to use this page

  • Enter annual income, monthly debts, down payment, target housing ratio, and financing assumptions.
  • Use the results to estimate home price, loan amount, and a maximum housing payment.
  • Adjust the target ratio to test conservative and aggressive scenarios.

Affordability inputs

Use your own income, debts, and comfort level to build a more realistic budget range.

Results

Estimated home price$285,825
Loan amount$215,825
Max housing payment$1,350
Home price$285,825

What this calculator helps you see

Affordability becomes more useful when it connects income, existing obligations, and a realistic monthly housing budget instead of focusing on home price alone.

When to use this calculator

Set a realistic budget

This is useful when you want a starting point before talking to lenders or touring homes.

Compare down payment options

A larger down payment can expand the price range or reduce the loan amount needed.

Formula

Affordable home price = estimated affordable loan amount + down payment

The calculator works backward from a target monthly housing budget after accounting for debts, taxes, insurance, and financing assumptions.

Worked example

A household with steady income, moderate monthly debts, and a meaningful down payment may be able to support a larger purchase than expected, but taxes and insurance still matter.

ItemValue
Annual income$120,000
Monthly debts$850
Down payment$70,000
Target housing ratio28%

Before you decide

  • Outputs are estimates and should be reviewed against lender or plan-specific terms.
  • Inputs are intentionally transparent so assumptions are easy to audit.
  • Rates, fees, taxes, and account terms can change the final result.

Page details

  • Updated April 15, 2026
  • For assumptions and general guidance, see Methodology.
  • For how explanatory content is written, see Editorial Policy.

What usually changes affordability most

FactorTypical effectReason
Higher incomeHigherMore monthly payment room
More monthly debtsLowerLess room for housing payment
Larger down paymentHigherReduces required loan amount

Questions and answers

Is this the same as lender preapproval?

No. This is a planning estimate, while a lender may use additional underwriting rules, reserves, and documentation.

Why include taxes and insurance?

Because they affect the true monthly housing cost and can materially change the affordable price range.