International Bureau of Weights and Measures

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International Bureau of Weights and Measures

Metre Convention signatories
Abbreviation	BIPM (from French name)
Formation	20 May 1875; 148 years ago (1875-05-20)
Type	Intergovernmental
Location	Saint-Cloud, France
Coordinates	48°49′45.55″N 2°13′12.64″E / 48.8293194°N 2.2201778°E / 48.8293194; 2.2201778
Region served	Worldwide
Official language	French and English
Director	Martin Milton
Website	www.bipm.org

The International Bureau of Weights and Measures (French: Bureau international des poids et mesures, BIPM) is an intergovernmental organisation, through which its 59 member-states act on measurement standards in areas including chemistry, ionising radiation, physical metrology, as well as the International System of Units (SI) and Coordinated Universal Time (UTC).^[1] It is based in Saint-Cloud, near Paris, France. The organisation has been referred to as IBWM (from its name in English) in older literature.^{[note 1]}

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