Sign in
Metrology areas
Quick links
Text hidden by page configuration
About us
Coordination
Liaison
Technical/Scientific
Publications & Events
News
Highlights from the 2025 CCTF meeting: progress toward redefining the second, plans for a continuous UTC, and new frontiers in lunar timekeeping.
The 8th cycle of the BIPM–TÜBİTAK UME Project Placement Programme offers hands-on training, e-learning and expert seminars—strengthening skills and understanding of the CIPM MRA.
As the International Organization of Legal Metrology (OIML) marks its 70th anniversary, the global metrology community takes the opportunity to reflect on the essential role of legal metrology.
From December 2025, new CIPM MRA Comparison Reports (formerly categorized under the Technical Supplements in Metrologia) will be published and maintained directly by the BIPM on bipm.org.
Learn about one of nine posters selected for #BIPM150: Ms Elizabeth Benham presents “Building the Next Generation of Metrologists: Opportunities to Improve SI Education and Scientific Literacy at 150 Years and Beyond.”
A pioneering radioactivity measurement method has been brought firmly into the 21st century through a joint project between the BIPM and the National Institute of Metrology (NIM), China.
We use cookies to optimize our website. View privacy policy