Free, simple car calculators to help you budget, compare and plan. Each one runs right in your browser: enter your numbers and see results instantly. No sign-up needed.
Car Loan CalculatorMonthly payment, interest and total cost with tax and trade-in
Car Affordability CalculatorHow much car you can afford with the 20/4/10 rule
Total Cost of Ownership CalculatorDepreciation, fuel, insurance and more per year and mile
Lease vs Buy CalculatorCompare leasing and buying the same car
Fuel Cost CalculatorGas cost for a road trip or daily commute
EV Charging Cost CalculatorCost per charge, per month and savings vs gas
Car Depreciation CalculatorWhat your car will be worth year by year
Tire Size CalculatorCompare tire sizes and speedometer errorWhich Calculator Do You Need?
| If you want to… | Use |
|---|---|
| Know your monthly car payment | Car loan calculator |
| Set a budget before shopping | Car affordability calculator |
| Compare the real cost of two cars | Total cost of ownership calculator |
| Decide whether to lease | Lease vs buy calculator |
| Plan a road trip budget | Fuel cost calculator |
| See what an EV costs to charge | EV charging cost calculator |
| Estimate resale or trade-in value | Car depreciation calculator |
| Check a new tire size | Tire size calculator |
Results are estimates to help you plan. Lenders, dealers, insurers and utilities may use different numbers, so confirm important figures before you buy.
Related guides: read our first-time car buyer guide and learn whether to lease or buy.
Car Calculators FAQ
Are These Car Calculators Free?
Yes. All calculators are free to use and run in your browser without an account.
Are the Results Exact?
No. They are estimates based on the numbers you enter. Confirm final figures with your lender, dealer, insurer or utility.
Do You Store the Numbers I Enter?
No. The calculations run in your browser and are not saved by the calculators.