Home›Units of level›بل🌐فارسیEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtTürkçeРусскийالعربيةفارسیहिन्दीไทย한국어中文日本語EntityQ50098· pop 21بلAlso known as Blogarithmic unit expressing the ratio of a physical quantityAvailable in 21 languagesFrançaisDeutschРусскийItalianoCatalanCroatianDanishEsperantoEstonianLombardNorthern FrisianNorwegianConnectionsdecibelEntityCategoriesUnits of level