Home Affordability Calculator

Home Affordability Calculator – How Much House Can I Afford?

Entry — Home Affordability

Estimate how much house you can afford based on your income, existing debts, down payment, mortgage rate, property taxes, insurance, HOA fees, and PMI — with every part of the math shown, not just a single final number.

How Much House Can I Afford?

Choose whether you want to find your maximum affordable home price, or check whether a specific home price fits your budget. Fill in your numbers below — the results update after you click Calculate.

Entry — Affordability Inputs Live
$
Your total income before taxes and deductions.
$
Car loans, student loans, credit cards, and other recurring debts.
$
Enter a dollar amount, or switch to percent of home price.
%
% / yr
$
$
Enter $0 if there is no HOA.
%
The share of gross monthly income lenders typically allow for housing costs.
%
Total debts plus housing costs, as a share of gross monthly income.
Your income and inputs don’t leave enough room for any housing budget at these limits — try adjusting your ratios or debts.

This calculator provides an estimate based on the information you enter. Actual mortgage affordability, loan terms, interest rates, taxes, insurance, and lender requirements may vary. This tool does not constitute a mortgage approval, loan offer, or financial advice. Confirm actual loan terms and costs with a qualified lender.

Your Home Affordability Results

Estimated Maximum Home Price
$0
Based on the income, debts, and assumptions entered above.
Enter your numbers above

Estimated Monthly Housing Budget

Monthly housing budget
$0
Down payment
$0
Mortgage loan
$0
Income needed
$0

Home Affordability Breakdown

Every cost that makes up your total monthly housing payment, shown separately so nothing is hidden inside one lump number.

ItemEstimated Amount
Maximum / target home price$0
Down payment$0
Mortgage amount$0
Principal & interest$0/mo
Property taxes$0/mo
Homeowners insurance$0/mo
PMI$0/mo
HOA$0/mo
Total monthly housing cost$0/mo
Housing expense ratio0%
Debt-to-income ratio0%

Last updated: · Reviewed for calculation accuracy

How Does a Home Affordability Calculator Work?

A home affordability calculator combines your income, debts, and target loan terms to estimate the maximum monthly housing payment you could reasonably take on, then works backward to a home price. It uses two guardrails at once: a housing expense ratio, which limits housing costs as a share of gross income, and a debt-to-income ratio, which limits housing costs plus all other debts as a share of gross income. Whichever ratio is more restrictive sets your affordable budget.

From that monthly budget, the calculator subtracts estimated property taxes, homeowners insurance, HOA fees, and PMI, then solves for the loan amount that the remaining money can support at your chosen interest rate and loan term — using the standard fixed-rate mortgage payment formula.

How Much House Can I Afford Based on My Income?

Income sets the ceiling on affordability because both the housing ratio and the debt-to-income ratio are calculated as a percentage of gross monthly income. A higher income raises that ceiling directly — a household earning $100,000 a year has roughly double the housing budget, at the same ratios, as one earning $50,000. But income alone doesn’t determine the final number: existing debts, the interest rate, and the size of your down payment all pull that ceiling up or down from there.

How Debt-to-Income Ratio Affects Home Affordability

Debt-to-income ratio, or DTI, measures your total monthly debt payments — including the new mortgage — against your gross monthly income. Even with a high income, a large amount of existing debt (car payments, student loans, credit cards) leaves less room in that ratio for a mortgage payment, which lowers the home price you can affordably carry. Paying down other debt before applying for a mortgage is one of the more direct ways to increase how much house you can afford, since it frees up room under the same DTI limit.

What Costs Should I Include When Calculating Home Affordability?

A realistic affordability estimate should include more than just the loan payment:

  • Mortgage principal — the portion of your payment that reduces the loan balance.
  • Interest — the cost of borrowing, calculated on the remaining balance each month.
  • Property taxes — assessed by your local government, and usually collected monthly through an escrow account.
  • Homeowners insurance — required by most lenders, and also usually escrowed monthly.
  • PMI — private mortgage insurance, typically required when your down payment is below 20%.
  • HOA fees — if the property belongs to a homeowners association, this is an additional recurring cost.
  • Other debts — car loans, student loans, credit cards, and any other recurring monthly obligations factored into your DTI.

How Does a Down Payment Affect Home Affordability?

A larger down payment reduces the amount you need to borrow, which directly lowers your monthly principal and interest payment — freeing up room in your housing budget for a higher home price at the same monthly cost. Crossing the 20% down payment threshold typically also removes the need for PMI, which further lowers your monthly payment and can meaningfully increase how much home you can afford.

How Does the Mortgage Interest Rate Affect Affordability?

The interest rate changes how much of each monthly payment goes toward interest versus principal, which changes how large a loan a given monthly payment can support. Even a small increase in rate — say from 6% to 7% — can meaningfully shrink your affordable loan amount, because more of each payment is absorbed by interest rather than paying down the balance. This is why it’s worth checking affordability at a couple of different rate scenarios if you’re shopping over several months.

Home Affordability Calculator FAQs

How much house can I afford?

It depends mainly on your gross income, existing monthly debts, down payment, interest rate, and local property taxes and insurance costs. A common starting point is keeping housing costs at or below 28% of gross monthly income and total debts at or below 36%, but actual lender limits vary. Enter your own numbers above for an estimate specific to your situation.

How much house can I afford with a $50,000 income?

With a $50,000 annual income, gross monthly income is about $4,167. At a 28% housing ratio, that’s roughly $1,167 available per month for principal, interest, taxes, insurance, and HOA — the exact affordable home price also depends on your down payment, interest rate, debts, and local tax and insurance rates, so use the calculator above with your specific numbers.

How much house can I afford with a $75,000 income?

A $75,000 annual income gives a gross monthly income of about $6,250. At a 28% housing ratio, that’s roughly $1,750 available per month for housing costs before other debts are factored in. Your down payment, interest rate, and existing debt payments will move the final affordable price up or down — the calculator above uses your actual figures.

How much house can I afford with a $100,000 income?

A $100,000 annual income gives a gross monthly income of about $8,333. At a 28% housing ratio, that’s roughly $2,333 available per month for housing costs. The actual affordable home price still depends heavily on your down payment, interest rate, existing debts, and local property tax and insurance rates — plug in your numbers above for a specific estimate.

How much of my income should go toward housing?

A widely used guideline suggests keeping total housing costs — principal, interest, taxes, insurance, and HOA — at or below 28% of gross monthly income, and total debt payments at or below 36%. These are common starting points, not universal rules, and some loan programs and lenders allow higher or lower limits.

What is a good debt-to-income ratio for buying a house?

Many conventional loan programs look for a total debt-to-income ratio at or below 36%, though some programs allow up to 43-50% depending on credit profile, loan type, and compensating factors. A lower DTI generally makes qualifying easier and can improve the loan terms you’re offered.

Does my down payment affect how much house I can afford?

Yes. A larger down payment reduces the loan amount you need, which lowers your monthly principal and interest payment and can also remove the need for private mortgage insurance (PMI) once you reach 20% down — both of which increase the home price you can afford at the same monthly budget.

Do property taxes and insurance affect home affordability?

Yes. Property taxes and homeowners insurance are added to your monthly housing cost alongside principal and interest, so higher local tax rates or insurance premiums reduce the home price you can afford at the same monthly budget, even if the mortgage terms stay the same.

Does HOA affect how much house I can afford?

Yes. Homeowners association fees count toward your total monthly housing cost in most affordability calculations, so a home with a high HOA fee effectively affords less mortgage room than a comparably priced home with no HOA.

Is a home affordability calculator accurate?

A home affordability calculator gives a useful estimate based on the numbers you enter, but it is not a mortgage approval or a guarantee of what a lender will offer. Actual approval depends on your credit profile, verified income and debts, the specific loan program, and underwriting rules that vary by lender.