– the intergovernmental organization through which Member States act together
     on matters related to measurement science and measurement standards.
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Joint Committee for Guides in Metrology (JCGM)

The tasks of the JCGM are to maintain and promote the use of the Guide to the Expression of Uncertainty in Measurement (known as the GUM) and the International Vocabulary of Metrology (known as the VIM). The JCGM has taken over responsibility for these two documents from ISO TAG 4, who originally published them under the auspices of the BIPM, IEC, IFCC, ISO, IUPAC, IUPAP and OIML.

The JCGM operates through two working groups: the JCGM-WG1, with responsibility for the GUM, and the JCGM-WG2, with responsiblity for the VIM.

For full details please see:

News from JCGM-WG1 News from JCGM-WG2

Dr M.J.T. Milton
Director of the BIPM
Bureau international des poids et mesures
Executive Secretary:
Mr R. Sitton
Bureau international des poids et mesures

Member organizations:

  Next meetings:
1–4 December 2020: JCGM Working Group 1: GUM
7 December 2020: Meeting of the JCGM