Home›ISO standards›A440🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoPolskiPortuguêsРусскийفارسی한국어中文日本語EntityQ2610210· pop 16· linked from 551 articlesA440Also known as note A, 440 Hzpitch standardWikidata factsShow 3 more factsCommons categoryISO 16frequency440described at URLwww.reuters.com/article/fact-check/debunking-social-media-claims-about-a432hz-and-a440hz-musical-pitches-idUSL1N2P915OSources (2)wikidata.orgpl.wikipedia.orgvia Wikidata · CC0Available in 15 languagesEspañolFrançais中文日本語РусскийPortuguêsBahasa IndonesiaCatalanCroatianPolskiUkrainianzh_yueConnectionsISO 0070Entitynote signEntityCategoriesISO standardsMusical tuning