Apps
Free online car tools and calculators for DIY mechanics and vehicle owners. Use these apps to estimate fuel costs, compare tire sizes, convert repair units, plan maintenance, check diagnostics, and solve common auto tasks online.
Down Payment Optimizer — Avoid a Higher APR
Down Payment Optimizer Find the smallest down payment that still qualifies you for the best APR tier. Lenders use down payment AND credit score to....
Engine Displacement Calculator – Bore & Stroke to CC
Engine Displacement Calculator Calculate engine displacement from bore, stroke, and cylinder count — results in cc, litres, and cubic inches. Engine Displacement Calculator Bore ·....
Engine Type Comparison — I4 vs V6 vs V8 vs EV
Engine Type Comparison Estimate ownership cost over 1 to 10 years — depreciation, fuel, insurance, maintenance, repairs, financing and taxes. Useful when choosing between two....
EV Charging Cost Calculator – Home & Public Station
EV Charging Cost Calculator Calculate exactly what it costs to charge your electric vehicle at home or a public DC fast-charger — enter your battery....
EV Range Calculator – Estimate Real-World Driving Range
EV Range Calculator Estimate your electric vehicle’s real-world range by factoring in battery size, efficiency, temperature, and driving style — plan your trip with confidence.....
EV vs Gas Cost Calculator – Compare Running Costs
EV vs Gas Cost Calculator Compare the per-km running cost of an electric car against a petrol car — see exactly how much you save....
Extended Warranty Calculator — Buy or Skip
Extended Warranty Worth-It Calculator Decide if an extended warranty (vehicle service contract) is worth the cost. Compare the warranty price against expected repair cost for....
Fluid Converter – Liters, Gallons & Quarts
Fluid Volume Converter Convert engine and transmission fluid volumes between litres, US gallons, UK gallons, and quarts — for any fill or drain job. Fluid....
Free VIN Decoder — Year, Make, Model & Engine
VIN Decoder Decode any 17-character VIN — manufacturer, model, year, engine, factory and trim. Free, instant, no signup. Pulls from the NHTSA vPIC public database.....
Fuel Cost Calculator – Estimate Trip Fuel & Price
Fuel Cost Calculator Instantly estimate the fuel cost of any trip — enter your distance, fuel economy, and local price. Fuel Cost Calculator Distance ·....
