Mechanics
Gear ratio
Calculates ideal gear ratio from driven and driver tooth counts.
Related calculators
Bevel gear pitch angles
Calculates bevel gear pitch angles for 90-degree intersecting shafts.
Gear module
Calculates gear module from pitch diameter and tooth count.
Gear output rpm
Calculates output speed from input speed and gear ratio.
Gear output torque
Calculates idealized output torque from input torque, gear ratio, and efficiency.
Gear pitch diameter
Calculates pitch diameter from module and tooth count.
Gear train output speed
Calculates output speed from input speed and gear ratio.