1 Horsepower (metric) to Watts

1 hp(M) ≈ 735.5 W

Calculation: W = 1 hp(M) × 735.499 ≈ 735.5 W

Horsepower (metric) to Watt Converter

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How much power is 1 hp(M)?

735.5 W is comparable to a space heater.

What does 1 hp(M) look like?

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

How to Convert Horsepower (metric) to Watt

1 horsepower (metric) = 735.499 watts

Watt = Horsepower (metric) × 735.499

Example: 1 hp(M) × 735.499 = 735.5 W

Reverse Conversion

To convert watts back to horsepower (metric):

  • Remember, 1 watt equals 0.00135962 horsepower (metric).
  • To convert 735.5 W to hp(M), multiply 735.5 x 0.00135962, resulting in 1 hp(M).

1 hp(M) is also equal to:

About these units

Horsepower (metric): Metric horsepower based on lifting 75 kgf one meter per second.

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

Frequently Asked Questions

How much is 1 horsepower (metric) in watts?

1 horsepower (metric) equals 735.5 watts. This is calculated by multiplying 1 by the conversion factor 735.499.

What does 1 horsepower (metric) look like in watts?

1 horsepower (metric) equals 735.5 watts, a conversion commonly needed for comparing engine ratings, electrical appliances, and generator capacities.

How do you calculate 1 horsepower (metric) to watts?

Multiply 1 by the conversion factor 735.499. The calculation is 1 × 735.499 = 735.5 watts. This factor is defined by international measurement standards.

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1 horsepower (metric) = 735.499 watts
1 horsepower (metric) = 735.499 watts — conversion chart

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