Automotive Calculators

Trip fuel cost, fuel economy converter (mpg ↔ L/100 km), annual fuel cost & break-even (gas/electric/E85), EV kWh/100 mi ↔ cost per mile, EV charging cost/time, ICE vs EV 5-year ownership, carbon emissions per trip, TCO, and cost per mile.

Tire size comparison, speedometer error by wheel/tire diameter, wheel offset/backspacing, tire revs/mile and RPM @ speed, final drive & gear ratio speed, shift point RPM drop, and 0–60 by gear/RPM (approx.).

Car loan payment & amortization, lease vs buy (total/monthly), down payment impact & payoff time, depreciation curve by segment/age, insurance cost/year, out-the-door estimator (tax/title/fees), used car value (trade-in/private), and low APR vs cash-back incentives.

Oil change interval planner, brake pad/rotor wear estimation, towing capacity safety margin (educational), and payload/GVWR utilization helper.

EV charging cost/time, cost per mile, real-world range, TCO vs gas/hybrid, break-even point, CO2 savings, battery degradation, home charger payback, incentives, and solar charging savings.

Estimate horsepower, quarter-mile times, 0-60 acceleration, compression ratio, engine displacement, carburetor sizing, and more.