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General Conference on Weights and Measures
28th meeting - 13-15 October 2026

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    • AUV: Acoustics, Ultrasound and Vibrations
      • CCAUV
      • BIPM contact: Dr Gianna Panfilo
    • EM : Electricity and Magnetism
      • Metrologia: Focus on Metrology in Electricity and Magnetism
      • CCEM
      • BIPM contact: Dr Michael Stock
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      • BIPM contact: Dr Gianna Panfilo
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      • BIPM contact: Dr Hao Fang
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Metrology areas

  • AUV: Acoustics, Ultrasound and Vibrations
    • CCAUV
    • BIPM contact: Dr Gianna Panfilo
  • EM : Electricity and Magnetism
    • Metrologia: Focus on Metrology in Electricity and Magnetism
    • CCEM
    • BIPM contact: Dr Michael Stock
  • L: Length
    • CCL
    • BIPM contact: Dr Gianna Panfilo
  • M: Mass and related quantities
    • CCM
    • BIPM contact: Dr Hao Fang
  • PR: Photometry and Radiometry
  • QM: Chemistry and Biology
    • People
  • RI: Ionizing radiation
  • T: Thermometry
  • TF: Time and Frequency
    • CCTF
    • BIPM Time Department Database
    • Time FTP Server
    • BIPM contact: Dr Patrizia Tavella
  • U
    • CCU

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  • The 2018 revision of the SI
    • Celebrating the vote by the CGPM
    • 26th CGPM (November 2018)
    • 2018 values of the Fundamental Physical Constants
    • Resolution 1 of the 26th CGPM (2018)
    • SI Brochure (2019)
  • World Metrology Day
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  • Metrologia
  • Guide to the Expression of Uncertainty in Measurement
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CIPM Work

CGPM outcomes and documents

28th CGPM: Key outcomes and documents

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  • Resolutions
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CGPM-2026-CIPM-reports

CCAUV

Report of the President: G.P. Ripper

CCAUV poster

CCEM

Report of the President: G. Rietveld

CCEM poster

CCL

Report of the President: V. Coleman

CCL poster

CCM

Report of the President: G. Macdonald

CCM poster

CCPR

Report of the President: M. L. Rastello

CCPR poster

CCQM

Report of the President: S.-R. Park

CCQM poster

CCRI

Report of the President: J.T. Janssen

CCRI poster

CCT

Report of the President: D. del Campo Maldonado

CCT poster

CCTF

Report of the President: N. Dimarcq

CCTF poster

CCU

Report of the President: R.J.C. Brown

CCU poster

CIPM-STG-CENV

CIPM-STG-CENV poster

FORUM-MD

FORUM-MD poster

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