– the intergovernmental organization through which Member States act together
     on matters related to measurement science and measurement standards.
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International Committee for Weights and Measures (CIPM)
Outcomes from the CIPM's most recent meetings:
  • 108(I)
  • March 2019
  • 107
  • June 2018
  • 106
  • October 2017
  • 105
  • October 2016
  • 104(II)
  • October 2015
  • 104(I)
  • March 2015
  • 103(II)
  • November 2014
    [ See meeting reports ]

    in French: Comité international des poids et mesures

    Standing Sub-Committees:

      CIPM Sub-Committee for Strategy
      CIPM Sub-Committee on Finance
      Pension Fund Advisory Board
      CIPM Sub-Committee on the BIPM Pension and Provident Fund and Health Insurance
    [This group was closed by the CIPM in October 2015.]

    ad hoc Working and Task Groups:

      CIPM ad hoc Working Group on Conditions of Employment
      CIPM Task Group for Promotion of the SI
    [Having completed its mission, this group was closed by the CIPM in March 2019.]
      CIPM ad hoc Working Group on Implementing the Recommendations from the Review of the CIPM MRA
    [Having completed its mission, this group was closed by the CIPM in June 2018.]
      CIPM ad hoc Working Group on Membership
    [Having completed its mission, this group was closed by the CIPM in March 2015.]

    The principal task of the CIPM is to promote world-wide uniformity in units of measurement and it does this by direct action or by submitting draft resolutions to the General Conference (CGPM).

    Duties of the CIPM include the responsibility to:

    The CIPM is made up of eighteen individuals, each of a different nationality. The presidents of the Consultative Committees are appointed by, and are normally members of, the CIPM.

    The CIPM meets every year (since 2011 in two sessions per year) and, among other matters, discusses reports presented to it by its Consultative Committees. Reports of the meetings of the CGPM, the CIPM, and all the Consultative Committees, are published by the BIPM.


    The CIPM is made up of eighteen individuals, each of a different nationality.

    CIPM bureau members:

    Election to the CIPM bureau (or first election) Most recent (re)election to the CIPM by the CGPM First election
    to the CIPM
    by the CGPM
    (or provisional election by the CIPM)
    President Dr W. Louw (South Africa) 20 March 2019 2018 15 May 2013
    Secretary Dr T. Usuda (Japan) 20 March 2019 2018 1 July 2012
    Vice-President Prof. J. Ullrich (Germany) 9 March 2015 2018 15 May 2013
    Vice-President Dr J. Olthoff (United States of America) 20 March 2019 2018 2018

    Other CIPM members:

    Most recent (re)election to the CIPM by the CGPM First election
    to the CIPM
    by the CGPM
    (or provisional election by the CIPM)
    Dr F. Bulygin (Russian Federation) 2018 2014
    Dr I. Castelazo (Mexico) 2018 2014
    Dr D. del Campo Maldonado (Spain) 2018 2018
    Dr Y. Duan (People's Republic of China) 2018 8 March 2010
    Dr N. Dimarcq (France) 2018 2018
    Dr H. Laiz (Argentina) 2018 7 Dec. 2016
    Dr T. Liew (Singapore) 2018 2014
    Prof. P. Neyezhmakov (Ukraine) 2018 2018
    Dr S.-R. Park (Republic of Korea) 2018 2018
    Dr M.L. Rastello (Italy) 2018 7 Dec. 2016
    Dr P. Richard (Switzerland) 2018 2014
    Dr G. Rietveld (Netherlands) 2018 2014
    Dr M. Sené (United Kingdom) 2018 7 Dec. 2016
    Dr A. Steele (Canada) 2018 2018

    ex officio Dr M.J.T. Milton (United Kingdom), Director of the BIPM

    See also: