Home›Metrology›natural units🌐EnglishEnglishDeutschFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTürkçeРусскийالعربيةفارسیहिन्दी한국어中文日本語EntityQ3962243· pop 29· linked from 245 articlesnatural unitsAlso known as Natural unitphysical units of measurement based only on universal physical constantsAvailable in 28 languagesFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةहिन्दीArmenianConnectionssystem of unitsEntityInternational System of UnitsEntityCategoriesMetrologyNatural units