Automotive
Gearbox input torque
Solves required input torque from output torque, ratio, and efficiency.
Related calculators
Gearbox output torque
Calculates output torque from input torque, ratio, and efficiency.
Gearbox power loss
Calculates gearbox power loss from input power and efficiency.
Engine speed at vehicle speed
Calculates engine speed for a given vehicle speed, total ratio, and rolling radius.
Gearbox output speed
Calculates output rotational speed from input speed and ratio.
Simple gearbox output torque
Calculates simplified gearbox output torque as engine torque times ratio and efficiency.
Gear ratio from teeth
Calculates a gear pair ratio from the drive and driven tooth counts.