How do I convert Horsepower (metric) to Kilowatt (kW)?

1 hp equals 0.735499 kw using SI-based conversion and precise factors.

What is the formula to convert Horsepower (metric) to Kilowatt (kW)?

This is a linear unit conversion using a constant factor between units.

How can I share a direct hp to kw result?

Use the shareable URL: https://measurecalc.com/convert/horsepower-to-kilowatt

Convert Horsepower (metric) to Kilowatt (kW)

Q: Is Horsepower (metric) to Kilowatt (kW) conversion exact?

The result uses the defined conversion factors for these units; displayed values may be rounded.

Category: Power

Value From To Precision

0.735499 kw

1 hp = 0.735499 kw

Precision: 6 decimals; very small non-zero results use significant digits.

How to convert horsepower (metric) to kilowatt (kw)

Power is the rate of energy transfer (J/s). Watts and kilowatts dominate, with horsepower used historically in vehicles and machinery. Choosing kW vs hp is often a matter of audience and regulation.

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Quick conversion table

Handy values for Horsepower (metric) to Kilowatt (kW). Click a value to calculate that result.

Horsepower (metric)	Kilowatt (kW)
	0.735499
	0.367749
	1.838747
	7.354987

Conversion formula

Use the following formula:

Kilowatt (kW) ≈ Horsepower (metric) × 0.73549875

Convert power from Horsepower (metric) to Kilowatt (kW) using a fixed unit ratio. Round only the final result.

Common mistakes

Mixing metric horsepower with mechanical horsepower; prefer kW for consistency.

Unit facts

Horsepower (metric): Horsepower (metric) ≈ 735.5 W; coined by James Watt to market steam engines.
Kilowatt (kW): A kilowatt equals 1,000 W; used for appliances, motors, and solar systems.

About Horsepower (metric)

Horsepower (metric)

≈735.49875 W. Still appears in automotive marketing; converts cleanly to kW for regulatory specs.

History: Term popularized by James Watt to relate engine output to draft horses; multiple HP variants exist (metric, mechanical, boiler).

About Kilowatt (kW)

Kilowatt (kW)

Equals 1,000 W. Typical scale for motors, EV chargers, and household peak loads.

History: Scaled SI multiple that fits common machinery and grid discussions.

Frequently asked questions

How many Kilowatt (kW) are in one Horsepower (metric)?

1 Horsepower (metric) equals 0.735499 Kilowatt (kW).

Is Horsepower (metric) to Kilowatt (kW) conversion exact?

Many unit conversions are exact by definition, while others use standardized conversion constants.

What is the fastest way to convert Horsepower (metric) to Kilowatt (kW)?

Enter a value in Horsepower (metric), choose Kilowatt (kW) as the target unit, and the calculator will instantly return the result.

Convert Horsepower (metric) to other units

Convert other units to Kilowatt (kW)

w → kw Watt (W)