Car Affordability Calculator
Calculate how much car you can afford based on income, down payment, and monthly budget.
Calculation Inputs
Calculation Results
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Enter inputs on the left and click Calculate to view results.
Formula & Methodology
Max payment = Income × 15%; Max price = PV of max payment; Total = payment × months + insurance × months
The 15% rule: car expenses (payment + insurance + gas) shouldn't exceed 15-20% of take-home pay.
Frequently Asked Questions
How much car can I afford?
Follow the 20/4/10 rule: 20% down, 4-year loan, total transportation costs under 10-15% of gross income.