Kw

Kw

Abbreviation / Symbol · /ˈkɪl.əˌwɒt/

Definition

kW — the symbol for kilowatt, a unit of power equal to one thousand watts, used to measure the rate of energy transfer or consumption; used in electricity generation, motor ratings, appliance power consumption, and electric vehicle performance.

Origin

kilo- from Greek khilioi (one thousand) + watt, named after the Scottish engineer James Watt (1736–1819) who developed the steam engine and established the concept of mechanical power. The kilowatt as a practical unit became standard with the electrification of industry in the late 19th century.