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Version 4.01 of the 9th edition of the SI Brochure has now been published.
Registrations are now open for our next UTC Summer School 2026, organized by the BIPM, the UzNIM and COOMET. Learn more.
Watch the recording of the UNESCO–BIPM World Metrology Day 2026 webinar, where international experts discuss how trusted measurements support evidence-based policy making, quality infrastructure and confidence in emerging technologies.
Watch our new BIPM World Metrology Day video interview with OECD’s Natalie Cohen, Head of Unit, Regulatory Governance for Global Challenges, Public Governance Directorate.
Happy World Metrology Day 2026! Read on to discover how trusted measurements support policymaking, international cooperation and confidence in the systems that shape everyday life.
The BIPM, RIKEN and Shimadzu Corporation have signed a Memorandum of Understanding (MoU) to begin an exploratory collaboration on optical frequency standards (OFS).
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