Power Converter

Convert between watts, kilowatts, horsepower, BTU/hour, and more.

Popular power conversions

Kilowatts to Horsepower1 kW = 1.34102 hp (mechanical). A 100 kW car engine produces about 134 hp. Electric motors are rated in kW.Horsepower to Kilowatts1 hp (mechanical) = 0.745700 kW. A 300 hp sports car engine = 223.7 kW. Electric motors use kW ratings.

Power units

Watt

W

Kilowatt

kW

Megawatt

MW

Horsepower

hp

Metric Horsepower

PS

BTU per Hour

BTU/h

What is power?

Power is the rate at which energy is transferred or work is done.

Common use cases

Engine ratings
Electrical appliances
HVAC systems
Solar panel output

Related categories

Frequently asked questions

← All converter categories