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HP & Torque

Power · Torque · Speed Conversions

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Horsepower & Torque Calculator
Converts between horsepower, torque, and rotational speed for motors, compressors, and rotating equipment. Essential for driver selection and mechanical power transmission design.

Known Values (Enter Any Two)

HP
lb-ft
RPM

Calculation Mode

Formula:
HP = (Torque × RPM) / 5252
Torque = (HP × 5252) / RPM
RPM = (HP × 5252) / Torque

Common Applications



Typical Speeds:
2-pole motor: 3,600 RPM
4-pole motor: 1,800 RPM
6-pole motor: 1,200 RPM
8-pole motor: 900 RPM
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About This Calculator

Converts between horsepower, torque, and rotational speed for motors and engines.

Key Aspects:

  • HP: Mechanical power output
  • Torque: Rotational force (lb-ft)
  • RPM: Rotational speed
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