AutoTech is an automotive calculator that offers the mechanic, technician or enthusiast quick computation of 30+ formulas.
Values may be entered in metric or US units. Shaking the device will clear the values you have entered. Shaking it again will load example values.
Formulas are organized in categories:
Aerodynamics
Drag (force)
Drag (horsepower)
Lift / Downforce
Chassis
Lateral Acceleration
Lateral Weight Transfer
Overall Gear Ratio
Weight Distribution
Weight Transfer
Engine
Air Flow
Brake Mean Effective Pressure
Brake Specific Fuel Consumption
Combustion Chamber Volume
Compression Ratio
Displacement
Horsepower
Optimum Intake Runner Size
Peak Torque RPM
Piston Acceleration
Piston Speed
Power Loss at Elevation
Torque
Volumetric Efficiency
Performance
Circuit:
Average Lap Speed
Dragstrip:
ET and Speed
Horsepower
Suspension
Anti-roll Bar Rate
Coil Spring Rate
Leaf Spring Rate
Torsion Bar Rate
Tires
Effective Drive Ratio
Equivalent Drive Ratio
Speedometer Correction
Speed Ratings
Tire Diameter
Tire Stagger
Plus: Unit Converter
Acceleration
Area
Force
Length
Power
Pressure
Speed
Surface Tension
Temperature
Torque
Volume
Weight