Home›Units of level›bel🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtTürkçeРусскийالعربيةفارسیहिन्दीไทย한국어中文日本語EntityQ50098· pop 21belAlso known as Blogarithmic unit expressing the ratio of a physical quantityWikidata factsShow 2 more factsunit symbolБtime of discovery or invention1928-00-00via Wikidata · CC0Available in 21 languagesFrançaisDeutschРусскийItalianoCatalanCroatianDanishEsperantoEstonianLombardNorthern FrisianNorwegianConnectionsdecibelEntityCategoriesUnits of level