Torque and Mechanical Horsepower Converter
Enter torque or power, select its unit and enter signed RPM.
A QUICK WALKTHROUGH
How to use this tool
- Enter torque or power, select its unit and enter signed RPM.
- Calculate and review equivalent torque and power units.
- Copy or download the full report.
Calculation
P = T × 2π × RPM / 60; W / 745.69987158227022 gives mechanical hp.; 1 lb-ft = 1.3558179483314004 N·m.
What the result covers
Signed power follows torque × signed angular speed. This is mechanical horsepower, not metric PS. No drivetrain loss or equipment rating is assumed.
Local processing
Inputs remain in your browser. Copy and TXT download contain your inputs, results, formula and scope note.
GOOD TO KNOW
Common questions
How is power calculated?
P = T × 2π × RPM / 60; W / 745.69987158227022 gives mechanical hp.
What happens at zero RPM?
Forward power is zero; inverse torque is undefined.