Automotive Calculators
Choose a task, enter your numbers, and get an immediate estimate.
Trip and fuel costs
Road Trip Cost CalculatorCalculate road-trip fuel cost from distance, fuel economy, fuel price, and round trips.Road Trip Planning CalculatorEstimate all aspects of your road trip including fuel costs, driving time, meals, lodging, and attractions.Fuel Economy CalculatorCalculate MPG, liters per 100 km, and kilometers per liter from distance and fuel used.Gas Mileage CalculatorCalculate your vehicle's fuel economy (MPG) and track your fuel efficiency over time.Kilometers per Liter CalculatorCalculate km/L from distance and fuel used, then compare MPG and L/100 km.Liters Per 100km CalculatorCalculate your vehicle's fuel consumption in liters per 100 kilometers (L/100km) and convert between different fuel economy metrics.Fuel Savings CalculatorCompare fuel costs between two vehicles or calculate potential savings from improved fuel efficiency.Fuel Economy Unit ConverterConvert between different fuel economy units such as MPG, L/100km, km/L, and MPG (Imperial).Car AC Refrigerant CalculatorFind the proper refrigerant charge for your vehicle's air conditioning system based on manufacturer specifications and system conditions.
Buying and ownership
Car Loan CalculatorCalculate a car loan payment, total interest, sales tax, and yearly amortization.Car Lease CalculatorCalculate monthly lease payments, total costs, and analyze the details of your vehicle lease agreement.Lease vs Buy CalculatorCompare the financial implications of leasing versus buying a vehicle to help determine which option makes more sense for your situation.Car Insurance Cost CalculatorGet an approximate estimate of your car insurance costs based on various risk factors and coverage options.Vehicle Total Cost of Ownership CalculatorMake informed vehicle purchasing decisions by comparing the true total costs of ownership over time.Vehicle Depreciation CalculatorCalculate how quickly your vehicle loses value over time and predict its future worth.ATV Loan CalculatorCalculate monthly payments, total costs, and amortization schedules for financing your ATV or off-road vehicle.Boat Loan CalculatorCalculate monthly payments, total costs, and true cost of boat ownership including marine-specific expenses.Motorcycle Loan CalculatorCalculate monthly payments, total costs, and amortization schedules for financing your motorcycle.RV Loan CalculatorCalculate monthly payments, total costs, and true cost of RV ownership including storage, maintenance, and usage expenses.
Electric vehicles
EV Charging Cost CalculatorCalculate how much it costs to charge your electric vehicle at home or at public charging stations.EV Charging Time CalculatorCalculate how long it will take to charge your electric vehicle using different charging methods.EV Fuel Savings CalculatorCalculate how much you can save by driving an electric vehicle compared to a gas-powered vehicle.Electric Car Efficiency ConverterConvert between different electric car efficiency metrics such as kWh/100mi, mi/kWh, kWh/100km, km/kWh, Wh/mi, and Wh/km.
Engine and performance
0-60 Time CalculatorEstimate 0-60 mph time from vehicle weight, horsepower, drivetrain, and traction.Quarter Mile CalculatorEstimate your vehicle's quarter mile time and trap speed based on power, weight, and drivetrain specifications.Horsepower CalculatorCalculate horsepower from torque and RPM or estimate engine output from displacement.Engine Torque CalculatorCalculate engine torque from horsepower and RPM, or estimate wheel torque using gear ratios.Engine Displacement CalculatorCalculate your engine's displacement based on bore, stroke, and number of cylinders.Engine Compression Ratio CalculatorCalculate your engine's compression ratio based on cylinder volume, combustion chamber volume, and other factors.Carburetor CFM CalculatorCalculate the necessary Cubic Feet per Minute (CFM) rating for your carburetor based on engine displacement and RPM.Fuel Injector Flow Rate CalculatorCalculate the required injector size based on engine power, number of cylinders, and other parameters.Fuel Injector ConverterConvert between lb/hr (pounds per hour) and cc/min (cubic centimeters per minute) for fuel injector flow rates.
Tires, fitment, and conversions
Tire Size CalculatorCompare different tire sizes, calculate speedometer accuracy, and see how tire changes affect your vehicle's performance and appearance.Wheel Offset CalculatorCompare wheel widths and offsets to calculate inner clearance and outward position changes.Speedometer Correction CalculatorWhen you change your tire size, your speedometer reading can become inaccurate. This calculator helps you determine the true speed of your vehicle with.Vehicle Stopping Distance CalculatorCalculate vehicle stopping distance calculator with clear inputs and instant results.Summer Tire Savings CalculatorEstimate how much you can save on fuel by switching to summer tires from all-season or winter tires.Winter Tire Savings CalculatorEstimate the potential cost savings and safety benefits of switching to winter tires during cold months.Speed Unit ConverterConvert between different speed units: mph, km/h, m/s, knots, ft/s, and more.Torque Unit ConverterConvert between different torque units for automotive applications: lb-ft, Nm, kgf-m, and more.SAE to Metric CalculatorConvert between SAE (standard) and metric fastener sizes, torque values, and common automotive measurements.