SI Brochure - Appendix 1 - Base units

Decisions of the CGPM and the CIPM: Base units of the SI

SI Brochure - Appendix 1

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Resolutions/Recommendations

CGPM Declaration (1889)

Sanction of the international prototypes of the metre and the kilogram

DOI : 10.59161/CGPM1889DECLE

CGPM Resolution 1 (1927)

Definition of the metre by the international Prototype

DOI : 10.59161/CGPM1927RES1E

CGPM Resolution 6 (1954)

Practical system of units

DOI : 10.59161/CGPM1954RES6E

CGPM Resolution 6 (1960)

Definition of the metre

DOI : 10.59161/CGPM1960RES6E

CGPM Resolution 2 (1975)

Recommended value for the speed of light

DOI : 10.59161/CGPM1975RES2E

CGPM Resolution 1 (1983)

Definition of the metre

DOI : 10.59161/CGPM1983RES1E

CIPM Recommendation 1 (2002)

Revision of the practical realization of the definition of the metre

DOI : 10.59161/CIPM2002REC1E

CIPM Recommendation 1 (2003)

Revision of the Mise en Pratique list of recommended radiations

DOI : 10.59161/CIPM2003REC1E

CIPM Recommendation 3 (2005)

Revision of the Mise en pratique list of recommended radiations

DOI : 10.59161/CIPM2005REC3E

CIPM Recommendation 1 (2007)

Revision of the Mise en pratique list of recommended radiations

DOI : 10.59161/CIPM2007REC1E

CGPM Resolution 9 (2007)

On the revision of the mise en pratique of the definition of the metre and the development of new optical frequency standards

DOI : 10.59161/CGPM2007RES9E

CIPM Recommendation 2 (2009)

Updates to the list of standard frequencies

DOI : 10.59161/CIPM2009REC2E

CGPM Resolution 1 (2011)

On the possible future revision of the International System of Units,the SI

DOI : 10.59161/CGPM2011RES1E

CGPM Resolution 8 (2011)

On the revision of the mise en pratique of the metre and the development of new optical frequency standards

DOI : 10.59161/CGPM2011RES8E

CIPM Recommendation 1 (2013)

Updates to the list of standard frequencies

DOI : 10.59161/CIPM2013REC1E

CGPM Resolution 1 (2018)

On the revision of the International System of Units (SI)

DOI : 10.59161/CGPM2018RES1E