Home›Metrology›International Prototype of the Kilogram🌐EnglishEnglishDeutschFrançaisPortuguêsSvenskaРусскийفارسیไทย한국어中文日本語EntityQ3738063· pop 10· linked from 41 articlesInternational Prototype of the KilogramAlso known as IPK, kilogramphysical artifact that formerly defined the kilogram unit of massWikidata factsOfficial nameInternational Prototype of the KilogramDiameter39.17Mass1Official websitewww.bipm.org/en/bipm/mass/ipkImageStandard kilogram, 2.jpgHeight39.17Show 2 more factsCommons categoryInternational prototype of the kilograminception1889-00-00via Wikidata · CC0Available in 9 languagesDeutsch中文PortuguêsEstonianSvenskazh_yueفارسی한국어via Wikidata sitelinks · CC0Connectionsdegree CelsiusEntitySI base unitEntityCategoriesMetrologyStandards (metrology)Units of mass