Horsepower Calculator

Calculate horsepower from torque and RPM, or convert between power units.

Calculation Mode

Torque

RPM

Results

Horsepower (hp)

Kilowatts (kW)

Metric HP (PS)

Watts

Formula:

Horsepower Formulas

HP = (Torque x RPM) / 5252

1 hp = 745.7 W = 0.7457 kW

1 hp = 1.0139 PS (metric)

1 hp = 550 ft-lb/s

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? Frequently Asked Questions

How accurate is this

This calculator uses standard formulas and provides accurate results for typical use cases. For professional or critical applications, always verify results with certified professionals or official sources.

Is this calculator free to use?

Yes, this Horsepower Calculator is completely free to use with no registration required. You can use it as many times as needed without any limitations.

Can I use this on mobile devices?

Absolutely! This calculator is fully responsive and works perfectly on smartphones, tablets, and desktop computers.

How do I interpret the results?

The results are displayed clearly with appropriate units. Refer to the "About This Calculator" section for detailed information.