What is home affordability?

Home affordability refers to the price range of homes you can comfortably purchase, based on your income, debts, down payment, and loan terms. It ensures you buy a home within your financial means.

Why does the debt-to-income ratio matter?

Lenders use your debt-to-income (DTI) ratio to determine how much of your income goes toward debt payments. A lower DTI means you’re more likely to qualify for a mortgage and can afford higher payments.

How does the down payment affect affordability?

A larger down payment reduces the loan amount, lowers your monthly payments, and may help you qualify for better loan terms. It also reduces the risk of owing more than your house is worth.

Can I trust the calculator’s estimate?

The calculator uses standard formulas based on your inputs. While it gives a solid estimate, actual loan offers may vary depending on your lender and other financial factors.

What if my income or debts change?

You can update the calculator anytime with new numbers to see how changes in income or debt payments affect your maximum home price and monthly costs.

How do I export or share my results?

After calculating, use the Copy, Export PDF, or Export Excel buttons to save or share your detailed results and charts with others or for your own records.

Home Affordability Calculator

Estimate how much house you can afford.

Calculator Inputs

Income and loan assumptions

Annual income ($)

Monthly debts ($)

Max DTI (%)

Interest rate (APR %, 0–100)

Loan term (years, 1–50)

Down payment (%)

Results

Estimated affordability

Max home price

$613,067

Down payment

$122,613

Monthly P&I

$3,100

Balance Over Time

Loan balance by year

Principal vs Interest by Year

All 30 years

Yearly Breakdown

First 15 years. Download full schedule for all 30 years.

Year	Principal	Interest	Balance
1	$5,482	$31,718	$484,972
2	$5,849	$31,351	$479,123
3	$6,241	$30,959	$472,882
4	$6,659	$30,541	$466,223
5	$7,105	$30,095	$459,118
6	$7,581	$29,620	$451,538
7	$8,088	$29,112	$443,450
8	$8,630	$28,570	$434,820
9	$9,208	$27,992	$425,612
10	$9,824	$27,376	$415,788
11	$10,482	$26,718	$405,305
12	$11,184	$26,016	$394,121
13	$11,934	$25,266	$382,187
14	$12,733	$24,467	$369,454
15	$13,585	$23,615	$355,869

For educational and estimation purposes only; not financial or lending advice. U.S. context. Does not include property taxes, insurance, HOA, or PMI. Lenders use their own DTI limits and criteria; consult your lender.

How It Works

Here’s how to use the calculator and what each input means:

1. Enter Your Details

You’ll be prompted to provide the following:

Income and loan assumptions:
- Annual Income ($): Your total pre-tax yearly income.
- Monthly Debts ($): The sum of your recurring monthly debt payments—like car loans, credit cards, and student loans.
- Maximum Debt-to-Income Ratio (%): The percentage of your income that can go toward all debt payments, including your new mortgage, as allowed by lenders.
- Interest Rate (%): The annual interest rate you expect for your mortgage loan.
- Loan Term (years): The number of years over which you’ll repay the mortgage (commonly 30 years).
- Down Payment (%): The percentage of the home’s price you plan to pay upfront.

After entering your information, click Calculate to see your results or Reset to start over.

2. Review Your Results

The calculator instantly displays:

Max Home Price: The highest-priced home you may be able to afford, based on your entries.
Down Payment: The dollar amount you’ll need upfront, calculated from your selected percentage.
Monthly P&I: An estimate of your monthly principal and interest payment.

3. Visualize Your Mortgage

The calculator provides two helpful charts:

Balance Over Time: See how your loan balance decreases each year over a 30-year period.
Principal vs Interest by Year: Discover how much of your payments go toward principal vs. interest each year.

4. Yearly Breakdown

You’ll get a year-by-year table for the first 15 years, showing:

How much principal and interest you pay annually
Your remaining loan balance after each year

You can download the full schedule for all 30 years.

5. Export and Save

Copy: Quickly copy results for your records.
Export PDF: Download a PDF of your results and charts.
Export Excel: Download an Excel file for further analysis or sharing.

By following these steps, you’ll gain a clear, detailed understanding of your home affordability and mortgage outlook.

Understanding Home Affordability

Buying a home is one of the biggest financial decisions most people make. “Home affordability” means understanding how much house you can comfortably purchase without stretching your finances too thin. Many factors affect affordability, including your income, monthly debts, down payment, loan term, and interest rate.

This calculator helps answer a common, critical question: “How much can I afford to spend on a home?” By entering your personal financial details, you can see a realistic estimate of your maximum home price, expected monthly payments, and how your mortgage balance changes over time.

This empowers you to make informed decisions and avoid overextending your budget.

How This Calculator Helps

This Home Affordability Calculator provides a practical, personalized estimate of your buying power. By using the fields provided, you can:

See the maximum home price you may qualify for, based on your income and debts.
Understand the required down payment amount.
View your estimated monthly principal and interest payment (P&I).
Visualize how your loan balance decreases each year.
Compare how much you pay in principal versus interest annually.
Download or export your results for future reference or to discuss with a lender.

All calculations are based on the information you enter, giving you a tailored look at your home-buying potential.