500 Watts to Horsepower (electric)

500 W ≈ 0.67024 hp(E)

Calculation: hp(E) = 500 W × 0.00134048 ≈ 0.67024 hp(E)

Watt to Horsepower (electric) Converter

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How much power is 500 W?

500 W is comparable to a space heater.

What does 500 W look like?

Comparable to a space heater
500 W is comparable to a space heater.

How to Convert Watt to Horsepower (electric)

1 watt = 0.00134048 horsepower (electric) exact

Horsepower (electric) = Watt × 0.00134048

Example: 500 W × 0.00134048 = 0.67024 hp(E)

Reverse Conversion

To convert horsepower (electric) back to watts:

  • Remember, 1 horsepower (electric) equals 746 watts.
  • To convert 0.67024 hp(E) to W, multiply 0.67024 x 746, resulting in 500 W.

exact This conversion factor is exact by international definition.

500 W is also equal to:

About these units

Watt: SI base unit of power equal to one joule per second.

Horsepower (electric): Horsepower used for electrical motor output, standardized at 746 W.

Frequently Asked Questions

How much is 500 watts in horsepower (electric)?

500 watts equals 0.67024 horsepower (electric). This is calculated by multiplying 500 by the conversion factor 0.00134048.

What does 500 watts look like in horsepower (electric)?

500 watts (0.67024 horsepower (electric)) is a large appliance — a microwave, a hair dryer, or a space heater (US max 1,500 W on a 15 A circuit).

How do you calculate 500 watts to horsepower (electric)?

Multiply 500 by the conversion factor 0.00134048. The calculation is 500 × 0.00134048 = 0.67024 horsepower (electric). This factor is defined by international measurement standards.

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500 watts = 0.670241 horsepower (electric)
500 watts = 0.670241 horsepower (electric) — conversion chart

For general conversions between watts and horsepower (electric), see the watts to horsepower (electric) converter.

Conversion factors verified against NIST, BIPM, ISO 80000-4 Based on SI base units (W = J/s, BIPM). Last reviewed: April 2026
Tiago Fernandes Reviewed by Tiago Fernandes

All unit conversions on CoolConversion use conversion factors defined or documented by internationally recognised standards bodies (such as ISO and NIST), including both SI and non-SI units.