International Bureau of Weights and Measures (French: Bureau international des poids et mesures, BIPM) - international organisation acting on matters related to measurement science and measurement standards.

Seal of the International Bureau of Weights and Measures (BIPM) ^Trademark

Typically, the organisation is referred to as BIPM and coordinates activities between the Member States, including the provision of technical services to support the infrastructure for the development and promotion of the International System of Units (SI units).¹⁾

The official website of BIPM: https://www.bipm.org

• SI units