Mortgage Affordability Calculator
Calculate how much mortgage you can afford based on income, expenses, and interest rate. Uses the standard 30% debt-to-income ratio.
📊 Result Chart
About Mortgage Affordability Calculator
A mortgage affordability calculator helps homebuyers determine their realistic budget before house shopping. By entering your income, expenses, and current interest rate, you get an instant estimate of how much house you can afford — following the industry-standard 30% debt-to-income guideline used by most lenders.
Mortgage Affordability Calculator in 3 steps
- Enter your monthly income and expenses
- Set interest rate and loan term
- View your maximum affordable home price
Frequently Asked Questions
What is the 30% debt-to-income rule?
The 30% DTI rule means your monthly housing costs should not exceed 30% of gross monthly income. This calculator follows this standard lending guideline used by most U.S. lenders.
How is mortgage affordability calculated?
Affordability = (Monthly Income × 30%) - Monthly Expenses. We then back-calculate the maximum loan amount using your interest rate and loan term.
Does this include taxes and insurance?
The calculator focuses on mortgage principal and interest. Add estimated property taxes and insurance to your monthly expenses input for a complete picture.