Free Tools

Car calculators that answer real questions

Oil changes, ownership costs, loans, fuel, and trips — free, instant, no signup. Built for drivers who want clear numbers before they spend.

Maintenance

Oil Change Calculator

When your next oil change is due and what it may cost.

Open calculator

Brake Pad Life Calculator

Estimate remaining brake pad life from wear and mileage.

Open calculator

Ownership & Cost

True Cost of Ownership Calculator

Full ownership cost beyond the purchase price.

Open calculator

Annual Car Cost Calculator

Yearly fuel, insurance, maintenance, and depreciation.

Open calculator

Car Depreciation Calculator

How much value your vehicle loses over time.

Open calculator

Lease vs Buy Calculator

Compare leasing and buying for your situation.

Open calculator

Auto Loan Calculator

Monthly payments, interest, and amortization.

Open calculator

Fuel & Trips

Fuel Economy Comparison

Compare MPG and fuel costs between vehicles.

Open calculator

Road Trip Budget Calculator

Fuel, lodging, and trip costs before you go.

Open calculator

Turn estimates into a maintenance habit

Calculators give you the answer once. Carvetka tracks mileage, service history, and reminders so you never miss the next oil change or budget surprise.