What is Joule?
{{for|the physicist|James Prescott Joule}} {{Infobox Unit | bgcolour = | name = Joule | [[image]] = | caption = | standard = SI derived unit | quantity = [[Energy#Scientific energy|Energy]] | symbol = J | dimension = M&sdot;L<sup>2</sup>&sdot;T<sup>&minus;2</sup> | namedafter = [[James Prescott Joule]] | units1 = [[System of measurement|SI base units]]<ref>{{cite web |website=Radboud Universiteit |title=Joule (unit) - Knowino |url=https://www.theochem.ru.nl/~pwormer/Knowino/knowino.org/wiki/Joule_(unit).html |access-date=December 1, 2024}}</ref> | inunits1 = 1 [[Kilogram|kg]]&middot;[[Metre|m]]<sup>2</sup>/[[Second|s]]<sup>2</sup> | units2 = CGS units<ref>{{cite web |website=University of Southampton |title=CGS and SI (MKS) unit systems |url=https://www.southampton.ac.uk/~rpb/thesis/node102.html |access-date=December 1, 2024}}</ref> | inunits2 = {{val|1|e=7}} [[erg]] | units3 = kWh<ref>{{cite web |website=British Gas |title=What is a kilowatt hour and the cost of electricity per kWh |url=https://www.britishgas.co.uk/energy/guides/kilowatt-hour-explained.html |date=June 24, 2024 |access-date=December 1, 2024}}</ref> | inunits3 = {{val|2.78|e=-7|u=kW·h}} | units4 = [[Calorie|kcal]]<ref>{{cite web |website=ScienceDirect |title=Kilocalories |url=https://www.sciencedirect.com/topics/engineering/kilocalorie |year=2012 |access-date=December 1, 2024}}</ref> | inunits4 = {{val|2.39|e=-4|u=kcal}} | units5 = [[British thermal unit|BTU]]<ref>{{cite web |website=The US Solar Institute |title=British thermal unit (Btu) |url=https://www.myussi.com/glossary/british-thermal-unit-btu |access-date=December 1, 2024}}</ref> | inunits5 = {{val|9.48|e=-4|u=BTU}} | units6 = [[Electronvolt|eV]]<ref>{{cite web |website=[[Britannica]] |title=Electron volt {{!}} energy, particles, force |url=https://www.britannica.com/science/electron-volt |date=October 10, 2024 |access-date=December 1, 2024}}</ref> | inunits6 = {{val|6.24|e=18|u=eV}} }} A '''Joule (J)''' ({{IPAc-en|ˈ|dʒ|aʊ|l}} or sometimes {{IPAc-en|ˈ|dʒ|uː|l}}) is a [[unit]] in the [[Inte