International Bureau of Weights and Measures

International Bureau of Weights and Measures
AbbreviationBIPM (from French name)
Formation20 May 1875; 149 years ago (1875-05-20)
TypeIntergovernmental
Location
Coordinates48°49′45.55″N 2°13′12.64″E / 48.8293194°N 2.2201778°E / 48.8293194; 2.2201778
Region served
Worldwide
Membership
64 member states
36 associate states (see the list)
Official language
French and English
Director
Martin Milton
Websitewww.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]

  1. ^ "Welcome". BIPM. Retrieved 4 March 2024.
  2. ^ "5 FAH-3 H-310 Organization acronyms". Foreign Affairs Manual. Retrieved 23 January 2024.


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