Gear Reduction Calculator

Enter the torque, RPM, and gear ratio into the calculator to determine the toque and RPM output after gear reduction.

Gear Retuction Formula

The following equation is used to calculate the output values of a gear reduction.

OT = IT * GR

ORPM = IRPM * GR

  • Where OT is the output torque
  • IT is the input torque
  • GR is the gear reduction ratio
  • ORPM is the output RPM
  • IRPM is the input RPM

FAQ

What is a gear reduction?

A gear reduction is the change in RPM or Torque of a rotating object due to two or more interlocking gears. These gears will cause corresponding objects to rotate slower or fast depending on the size of the gears.

What is a gear?

A gear is a circular device that when paired together with another gear, produces a change in rotation speed due to different diameters.

gear reduction calculator

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