AutoMath
Car-cost math, shown

The real cost
of a car, made clear.

Free calculators for auto loans, lease-vs-buy, fuel, EV charging, and the full cost of ownership. The math is shown, runs privately in your browser. No accounts, no tracking.

Server bytes
0
Calculators
22
To an answer
~30s
Financing

What the car really costs to borrow.

Loan payment, lease vs buy, what you can actually afford, and what extra payments save you.

Running Costs

What it costs to keep it on the road.

Fuel, charging, the full cost of ownership, and business-mile reimbursement.

The Car Itself

Depreciation, EV math, tires, towing.

What the car is worth over time, gas vs electric, and the physical-spec math most owners get wrong.