House Affordability Calculator

Use this free house affordability calculator to estimate a home price from income, monthly debts, down payment, mortgage rate, debt-to-income target, tax, insurance, and HOA.

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Formula steps Estimate limits shown Examples included Private history
Estimated affordable home price$421,988.22

$110,000 income at 36% DTI target

Estimated loan amount
$361,988.22
Monthly housing budget
$2,850.00
Principal and interest
$2,288.01
Estimated tax/insurance/HOA
$561.99

This is not mortgage approval and does not include credit, reserves, closing costs, or underwriting rules.

Formula steps

  1. Convert annual income to monthly income.
  2. Apply the debt-to-income target, then subtract monthly debts.
  3. Estimate principal, interest, property tax, insurance, and HOA for candidate home prices.
  4. Search for the highest home price that fits the monthly housing budget.

How to use the house affordability calculator

  1. Enter the requested dollar amounts, rates, terms, tax settings, or contribution details.
  2. Use rates as percentages, such as 6.5 for 6.5%, and check whether a field asks for a monthly or annual amount.
  3. Press the calculate button to see the answer, supporting metrics, and formula steps.
  4. Use the result as a planning estimate only, then copy it if the assumptions look right.

Common uses

Estimate a rough home-buying budget before shopping.

See how debts, down payment, and mortgage rate affect affordability.

Compare debt-to-income targets in a transparent way.

Separate principal and interest from estimated tax, insurance, and HOA.

Examples

Income-based budget $110,000 income, $450 debts, $60,000 down

Estimated affordable home price

Lower debt case $90,000 income, $150 debts, 33% DTI

Home price estimate

Higher down payment $140,000 income, $120,000 down

Higher affordability estimate

Frequently asked questions

Plain-language answers about when to use the estimate, what your numbers mean, what is left out, and how privacy works.

When should I use the House Affordability Calculator?

Use it for early planning and side-by-side comparisons, especially for tasks like these: Estimate a rough home-buying budget before shopping. See how debts, down payment, and mortgage rate affect affordability. Treat the answer as a planning estimate, not a final quote.

What is the House Affordability Calculator doing with my numbers?

In plain language: The calculator applies a debt-to-income target to monthly income, subtracts monthly debts, then searches for the highest home price whose estimated housing payment fits. If the result seems too high or too low, first check whether each field expects a monthly amount, annual amount, dollar value, or percent.

What does this estimate leave out?

This is not mortgage approval. Credit, reserves, closing costs, exact taxes, insurance, HOA, lender rules, and local housing costs can change affordability. Real finance decisions can also depend on fees, timing, local rules, credit details, and provider-specific terms.

Does the site save my finance inputs?

No. The calculator runs in your browser tab. Recent answers stay only on the page while you use it, and they are not sent to a server.

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