Free Mortgage & Home Finance
Calculators
Get exact numbers for your home purchase, refinance, or rent-vs-buy decision — instantly in your browser. No account, no lender calls, no data stored.
10 Free Mortgage & Home Finance Calculators
Home Affordability Calculator: How Much House Can You Afford?
Lenders don't just look at your salary — they look at your full debt picture, your down payment, and current interest rates. This calculator uses the same debt-to-income math lenders apply so you get a realistic price range, not an inflated number that leads to disappointment at pre-approval.
Why OwnCalc Numbers Are Accurate
Every calculation runs inside your browser. Nothing leaves your device. Nothing is ever stored or shared.
1. Enter your numbers
Type in your home price, income, or loan details. Every field has sensible defaults — start in seconds.
2. Results appear instantly
No submit button. No loading spinner. Results update live as you adjust each field so you can explore scenarios in real time.
3. Make a confident decision
Walk into any lender meeting or open house knowing your exact numbers — based on your real inputs, not guesswork.
How to use this calculator
Enter your annual gross income and any existing monthly debt payments like car loans or student loans.
Add your planned down payment amount and the current interest rate you expect to qualify for.
Review the maximum home price and monthly payment range the calculator returns — this is your realistic shopping budget.
Home Affordability Calculator: How Much House Can You Afford? — common questions
Mortgage & Home Finance Questions Answered
Straight answers to the questions homebuyers and owners search for most.
2026 Mortgage Rates & Home Prices by State
Average 30-yr and 15-yr fixed rates, median home prices, estimated monthly payments, and affordability scores for all 50 US states. Q1 2026 data.
💡 Click Mortgage to calculate your monthly payment at that state's rate and median price, or Refinance to see if switching to today's rate could save you money on your existing loan.
| State ↕ | 30-Yr Fixed ↕ | 15-Yr Fixed ↕ | Median Price ↕ | Use Rate |
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Use your state's rate in our calculators
Plug your state's rate into the Mortgage Calculator for a personalized monthly payment.