STP Calculator | In-lb, HP, RPM


Quickly calculate power (Horespower), torque (in-lb), or speed (RPM).

Calculate Power


Find power using the known torque and speed specification.

Speed (RPM):

Torque (in-lb):

Power (HP):


Calculate Torque


Find torque using the known power and speed specification.

Speed (RPM):

Torque (in-lb):

Power (HP):


Calculate Speed


Find speed using the known torque and power specification.

Speed (RPM):

Torque (in-lb):

Power (HP):