Mortgage Affordability Calculator

Calculate how much house you can afford based on your financial situation and mortgage terms.

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Worked Example & Common Values

Below is a sample worked calculation demonstrating how Mortgage Affordability Calculator processes input data instantly inside your browser.

Sample Input $1,200 Loan Principal, 6% Interest Rate, 12 Months duration

Computed Result Monthly Payment: $103.28 | Total Interest Paid: $39.36

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About This Tool

This comprehensive house affordability calculator helps you determine the maximum home price you can afford based on your annual income, monthly debts, down payment amount, interest rate, loan term, property taxes, homeowners insurance, and other financial factors. It uses standard mortgage qualification ratios (28/36 rule) to provide accurate estimates and help you plan your home purchase budget effectively.

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How to Use

Enter your annual gross income
Input your total monthly debt payments (credit cards, car loans, student loans, etc.)
Specify your available down payment amount
Set the mortgage interest rate and loan term
Add estimated property taxes and homeowners insurance
Click 'Calculate Affordability' to see your maximum affordable home price
Review the detailed breakdown of monthly payments and qualification ratios

Frequently Asked Questions

Find Quick Answers

What is the 28/36 rule used in this calculator?

The 28/36 rule is a standard mortgage qualification guideline. The front-end ratio (28%) means your monthly housing costs (mortgage, taxes, insurance) should not exceed 28% of your gross monthly income. The back-end ratio (36%) means your total monthly debt payments (including housing) should not exceed 36% of your gross monthly income.

What factors affect how much house I can afford?

Key factors include: your income, existing debt obligations, down payment amount, credit score (affects interest rate), loan term, property taxes, homeowners insurance, and current mortgage rates. This calculator considers all these factors to provide an accurate estimate.

Should I use gross or net income for the calculation?

Mortgage lenders typically use gross income (before taxes) when calculating affordability ratios. This calculator follows that standard practice, but you should also consider your net income and personal budget when making home buying decisions.

How accurate is this calculator compared to actual mortgage pre-approval?

This calculator provides a good estimate based on standard mortgage guidelines. However, actual mortgage pre-approval from a lender may vary based on your credit history, employment verification, and the lender's specific underwriting criteria. Use this as a planning tool before consulting with mortgage professionals.

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