kilowatt-hour

== English == === Etymology === By surface analysis, kilowatt +‎ hour, or, by surface analysis, kilo- +‎ watt-hour. === Pronunciation === === Noun === kilowatt-hour (plural kilowatt-hours) A unit of energy equal to that provided by one kilowatt acting for one hour (3·6 × 10⁶ joules). Alternative forms: kW·h, kW h, kWh, kW-hr, kWhr (symbols); kilowatt hour Holonyms: watt-year (31.536e6 J) < gigajoule (1.000e9 J) < megawatt-hour (3.600e9 J) < kilowatt-year (31.536e9 J) < terajoule (1.000e12 J) < gigawatt-hour (3.600e12 J) < megawatt-year (31.536e12 J) < petajoule (1.000e15 J) < terawatt-hour (3.600e15 J) < gigawatt-year (31.536e15 J) < exajoule (1.000e18 J) < petawatt-hour (3.600e18 J) < terawatt-year (31.536e18 J) Meronyms: yoctojoule (1.000e-24 J) < zeptojoule (1.000e-21 J) < attojoule (1.000e-18 J) < hartree (4.35974e-18 J) < femtojoule (1.000e-15 J) < picojoule (1.000e-12 J) < nanojoule (1.000e-9 J) < microjoule (1.000e-6 J) < millijoule (1.000e-3 J) < joule (1 J) < milliwatt-hour (3.6 J) < microwatt-year (31.536 J) < kilojoule (1.000e3 J) < watt-hour (3.600e3 J) < milliwatt-year (31.536e3 J) < megajoule (1.000e6 J) ==== Usage notes ==== The unit is often used to measure electrical consumption on an electricity meter, for which domestic consumers are charged. The orthographic variants of the symbols (e.g., kW·h, kW h, kWh) are explained in Wikipedia at kilowatt-hour § Unit representations. ==== Translations ====