Automotive

Estimate ownership, fuel, financing, and vehicle figures.

Calculators

Estimate a monthly vehicle payment, total interest, and purchase cost.

Calculate fuel economy and trip fuel cost from miles and US gallons.

Compare tire diameter and estimated speedometer difference.

Model vehicle value under a constant annual depreciation assumption.

Look beyond the payment and plan the full cost of a car.

What to check yourself, and what to leave to a mechanic, before paying for a used car.