CCU

Committee members

Consultative Committee for Units (CCU)

President

Prof. J. Ullrich

CIPM Member

Executive Secretary

Dr M. Stock

BIPM

ALL MEMBERS

List of meetings

Meetings and related documents

Upcoming Meeting

26th meeting of the CCU
  • From 08 to 10
  • April
  • 2024

Current Meeting

CCU-WG-CMT
  • 16 May,
  • 22 June
  • 2023

Past Meeting

CCU/CCQM Workshop on “The metrology of quantities which can be counted"
  • From 28 to 30
  • March
  • 2023

Past Meeting

CCU-TG-ADQSIB
  • 23 February,
  • 16 March
  • 2023

Past Meeting

CCU-WG-CMT-FG
  • 17 January,
  • 21 February,
  • 15 March,
  • 18 April
  • 2023
All meetings

Working Groups

CCU-TG-ADQSIB

CCU Task Group on angle and dimensionless quantities in the SI Brochure

CCU-WG-CMT

CCU Working Group on Core Metrological Terms

CCU-WG-CMT-FG

CCU Working Group on Core Metrological Terms Focus Group

CCU-WG-S

CCU Working Group on Strategy

CCU Workshop - TITLE

Workshop

CCU workshop new version

 

Publications

Publications

Meeting reports

[CCU] 25th meeting (2021)

[CCU] 24th meeting (2019)

[CCU] 23rd meeting (2017)

[CCU] 22nd meeting (2016)

All publications

ccu-mission

Mission

The CCU was set up in 1964, to replace the "Commission for the System of Units", set up by the CIPM in 1954.

Present activities concern matters related to the development of the International System of Units (SI), preparation of successive editions of the SI brochure, and advice to the CIPM on matters concerning units of measurement.

Nested Applications

News

NCSL International signs the Joint Statement of Intent on the digital transformation in the international scientific and quality infrastructure

NCSL International signed the Joint Statement of Intent in March 2023.

CIE signs the Joint Statement of Intent "On the digital transformation in the international scientific and quality infrastructure"

The International Commission on Illumination (CIE) signed the Joint Statement on 19 August 2022. 

IEC and ILAC sign the Joint Statement of Intent "On the digital transformation in the international scientific and quality infrastructure"

The International Electrotechnical Commission (IEC) and the International Laboratory Accreditation Cooperation (ILAC) signed the Joint Statement of Intent on 24 and 31 May 2022, respectively

ISO signs the Joint Statement of Intent "On the digital transformation in the international scientific and quality infrastructure"

The International Organization for Standardization (ISO) signed the Joint Statement of Intent on 12 April 2022. 

Signing of a Joint Statement of Intent "On the digital transformation in the international scientific and quality infrastructure"

The BIPM, OIML, IMEKO, ISC and CODATA signed a Joint Statement of Intent "On the digital transformation in the international scientific and quality infrastructure" on 30 March 2022. 

Asset Publisher

Reports and announcements

Decisions of the CIPM (March 2023 - Session I)

Report of the 111th meeting of the CIPM (2022)

A further short history of the SI prefixes

Resolutions adopted at the 27th meeting of the CGPM

CC survey on the digital transformation

A digital framework for realising the SI - a proposal for the metre

Decisions of the CIPM (June 2022)

BIPM Annual Review 2021/2022

Report of the 110th meeting of the CIPM (2021)

Draft Resolutions - 27th CGPM meeting (2022)

BIPM Strategic Plan 2022

Report of Session II of the 110th meeting of the CIPM (2021)

Report of the 25th meeting of the CCU (2021)

Report of Session I of the 110th meeting of the CIPM (2021)

BIPM Annual Review 2020/2021

Report of the 109th meeting of the CIPM (2020)

Report of the 24th meeting of the CCU (2019)

Metrologia: Focus on Length Metrology

Metrologia: Focus on Metrology in Electricity and Magnetism

Metrologia: Focus on Realization, Maintenance and Dissemination of the Kilogram

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