<P> The kilowatt (kW) is equal to one thousand (10) watts . This unit is typically used to express the output power of engines and the power of electric motors, tools, machines, and heaters . It is also a common unit used to express the electromagnetic power output of broadcast radio and television transmitters . </P> <P> One kilowatt is approximately equal to 1.34 horsepower . A small electric heater with one heating element can use 1.0 kilowatt . The average electric power consumption of a household in the United States is about one kilowatt . </P> <P> Also, kilowatts of light power can be measured in the output pulses of some lasers . </P> <P> A surface area of one square meter on Earth receives typically about one kilowatt of sunlight from the sun (the solar irradiance) (on a clear day at mid day, close to the equator). </P>

1 unit is equal to how many megawatts