– the intergovernmental organization through which Member States act together
     on matters related to measurement science and measurement standards.
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Revised SI: Download Area

At the time of writing, we are anticipating that the General Conference on Weights and Measures (CGPM) will approve new definitions for the base units of the SI when it meets in November 2018.

The CIPM has set up a "Task Group for Promotion of the SI" to help NMIs use this important event to promote the work of metrology.

On this page you can download materials developed by this Task Group – including graphical designs to illustrate the SI, and a "Brand Book" explaining how to use them. The use of the same logo and key messages world-wide will ensure that activities by different organizations will be consistent and combine together to raise the profile of the SI and metrology internationally.

Read more about the revision of the SI
SI roadmap
26th meeting of the CGPM: 13-16 November 2018
Key documents about the revised SI

Promotional files for general use
Task Group for Promotion of the SI
Members' area
Ongoing competition
Concours Mesures et Unités du monde 2018