Free planning tools
Car Calculators
Use your own numbers to compare fuel, financing, ownership, depreciation, and trip costs. Every calculator explains its main assumptions.
Fuel Cost Calculator
Estimate trip and annual fuel costs in US or metric units.
2EV vs Gas Cost Calculator
Compare gasoline and EV charging costs using your local rates.
3Car Ownership Cost Calculator
See total, annual, monthly, and per-distance ownership costs.
4Car Payment & Auto Loan Calculator
Estimate monthly car payments, total interest, amount financed, and total vehicle cost.
5Car Depreciation Calculator
Estimate current value and value lost over time.
6Trip Cost Comparison Calculator
Compare the fuel cost of one journey in two vehicles.
7Keep or Replace My Car Calculator
Compare the estimated cost of keeping your current car with replacing it.
8How Much Car Can I Afford?
Estimate a vehicle price from a comfortable monthly payment.
9Lease vs Buy Calculator
Compare user-entered lease costs with the net cost of buying.
10EV Break-Even Calculator
Estimate when annual EV operating savings offset an upfront price difference.
How to use these estimates
Start with realistic local figures, compare more than one scenario, and review the formula and disclaimer shown with each result. Calculator results are planning estimates rather than quotes or professional advice.