What is horsepower (electric)?

Horsepower (electric) is a power unit used to rate electric motors, defined as exactly 746 watts, representing the energy conversion rate of an electric machine.

How does horsepower (550 ft*lbf/s) differ from electric horsepower?

Horsepower (550 ft*lbf/s) is a mechanical horsepower unit equal to 550 foot‑pounds per second, approximately 745.7 watts, mainly used to rate internal combustion engines.

Why convert between these two horsepower units?

Converting helps compare equipment performance and specify power ratings in industries where both electric and mechanical horsepower units are used.

How to Convert from Horsepower (electric) to Horsepower (550 ft*lbf/s)?

Learn how to convert power units from horsepower (electric) to horsepower (550 ft*lbf/s) with this simple online converter. Understand key differences and applications of these units for motor, engine, and equipment power ratings.

Horsepower (electric)

Horsepower (550 ft*lbf/s)

Please check your input. It must be a valid numeric value.

Horsepower (electric) to Horsepower (550 ft*lbf/s) Conversion Table

Horsepower (electric)	Horsepower (550 ft*lbf/s)

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.

End Value

Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.

Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

Horsepower (electric) to Horsepower (550 ft*lbf/s) Conversion Table
Horsepower (electric)	Horsepower (550 ft*lbf/s)

Explore More Power Units Converter

What Is This Tool?

This converter allows users to translate power measured in horsepower (electric), commonly used for electric motors, into horsepower (550 ft*lbf/s), the mechanical horsepower unit used to rate internal combustion engines and similar equipment.

How to Use This Tool?

Enter the power value in horsepower (electric) in the input field.
Select horsepower (electric) as the source unit and horsepower (550 ft*lbf/s) as the target unit.
Click the convert button to see the power equivalence in mechanical horsepower.
Use the conversion results to compare or specify equipment performance.

Key Features

Converts electric horsepower to mechanical horsepower (550 ft*lbf/s) with a precise fixed conversion rate.
Supports applications in automotive, industrial motor manufacturing, and equipment design.
Provides easy-to-understand examples for practical unit conversions.
Browser-based and user-friendly interface for quick calculations.

Examples

5 horsepower (electric) converts to approximately 5.002 horsepower (550 ft*lbf/s).
10 horsepower (electric) converts to approximately 10.004 horsepower (550 ft*lbf/s).

Common Use Cases

Interpreting motor output power from electric horsepower ratings on motor nameplates.
Comparing electric motor power with mechanical engine power ratings.
Sizing controllers and electrical supply for industrial motors based on electric horsepower.
Specifying power of garden equipment and small engines using mechanical horsepower.
Evaluating equipment performance where both power units coexist, such as pumps and compressors.

Tips & Best Practices

Always note that horsepower (electric) and horsepower (550 ft*lbf/s) differ slightly and are not exactly equal.
Use this converter for general comparisons but reconsider for precision-critical engineering applications.
Review conversion results carefully when preparing technical specifications and invoices.
Consider rounding and unit differences when comparing power ratings across different equipment.

Limitations

The difference between horsepower (electric) and horsepower (550 ft*lbf/s) is about 0.04%, which may affect high-precision calculations.
Conversion results may not be suitable for applications requiring exact power equivalence.
Always verify the suitability of units for your industry context before relying on conversion values.

Frequently Asked Questions

What is horsepower (electric)?: Horsepower (electric) is a power unit used to rate electric motors, defined as exactly 746 watts, representing the energy conversion rate of an electric machine.
How does horsepower (550 ft*lbf/s) differ from electric horsepower?: Horsepower (550 ft*lbf/s) is a mechanical horsepower unit equal to 550 foot‑pounds per second, approximately 745.7 watts, mainly used to rate internal combustion engines.
Why convert between these two horsepower units?: Converting helps compare equipment performance and specify power ratings in industries where both electric and mechanical horsepower units are used.

Key Terminology

Horsepower (electric): A power unit defined as exactly 746 watts, used for rating electric motors and representing energy conversion by electric machines.
Horsepower (550 ft*lbf/s): An imperial unit of mechanical power equal to 550 foot-pounds per second, used for rating internal combustion engines and similar equipment.
Conversion Rate: The fixed value used to convert between horsepower (electric) and horsepower (550 ft*lbf/s), approximately 1.0004 times the electric horsepower.

Quick Knowledge Check

What is the exact watt value defined for horsepower (electric)?

745.7 watts

746 watts

550 watts

Horsepower (550 ft*lbf/s) is primarily used to rate which type of engine?

Electric motors

Internal combustion engines

Hydraulic pumps

What is a practical reason for converting electric horsepower to mechanical horsepower?

To measure voltage

To compare equipment power ratings

To change motor speed

Share Us

Similar Calculators

Online Heat Flux Density Units Converter Online Weight and Mass Units Converter Online Fuel Consumption Units Converter Online Moment of Inertia Units Converter Online Length Units Converter