Carburetor CFM Calculator: Looking for the right carburetor for that high output engine? Check out this calculator.
Displacement Calculator: Not sure how big your engine is? This program will calculate your engine size in both cubic centimeters and cubic inches.
Fuel Injector Flow Calculator: If you're planning on upgrading your fuel injectors, this calculator will determine the flow of the new injectors returned in lbs/hr based on the improved fuel pressure.
Horsepower Calculator: Calculate your approximate horsepower output!
Horsepower to Torque Conversion Calculator: Do you know your peak horsepower and RPM? Calculate your approximate torque output!
Potential Engine Speed Calculator: This calculator will determine your estimated potential engine speed in RPMs
Optimum Gear Ratio Calculator Rebuilding your transmission and you're trying to decide upon the ideal transmission for your driving purposes? Check out this calculator and determine the best transmission for your car.
Rearend Ratio Calculator: This calulator will determine rear-end ratio, tire diameter, engine rpm, etc., depending on variables you enter.
Automotive Mathematical Formulas: A comprehensive listing of mathematical formulas used for automotive chassis, powertrain and performance calculations.
Drag Racing Correction Factors: A listing of drag racing correction factors to help convert your Quarter Mile Elapsed Time (ET) and MPH to sea level times.
Fuel Consumption - Metric Measurement: This calculator determines the fuel (what ever it is) consumption of a vehicle, based on kilometers driven and liters or Imperial gallons of fuel used, and optionally, the direct fuel expense per kilometer. (You may substitute either liters or Imperial gallons consistently in this calculator.
Fuel Consumption - U.S. Standard Measurement: This calculator determines the fuel consumption of a vehicle, based on miles driven and gallons of fuel used. Optionally, it will also calculate the direct fuel expense per mile, whatever the fuel is, measured in gallons.
Miles Per Gallon Expense Calculator: This calculator is slightly different from the one above. It computes the miles per gallon of your car via the miles traveled and the number of gallons used. Also, if you enter the cost per gallon and how many miles you drive per day, it will estimate your monthly and yearly gas expenses.
Screw Size and Conversion Tables: A listing of common automotive screw sizes and a related conversion table.
Speedometer Calibration Calculator: This calculator is designed to give information related to tire size changes and the general impact they have on the calibration of a speedometer.
Tires: Tire Size Calculator: Calculate your tire diameter, rim width, section width and revolutions per mile by entering the tire cross section, aspect ration and wheel diameter values.
Unit Conversion Calculators: Several unit conversion calculators including, distance, weight, volume, thermal conductivity, heat transfer, and pressure & stress calculators.