From the official in-person celebration at UNESCO on World Metrology Day to dynamic scientific and cultural gatherings, the events listed below offer a unique opportunity to connect with the global metrology community and be inspired by the impact of measurement science during this flagship year.
20-22 May 2025
Official Anniversary Celebration – World Metrology Day
Stay up to date with the latest news, stories and insights about the 150th Anniversary.
Over the course of three days, we will look back over 150 years of achievements in metrology and explore our vision for innovations that will help define the landscape for the next 50 years and beyond.
During keynote sessions, panel discussions and special metrology events, professionals from around the world will come together to share their expertise and highlight metrology’s impact on science, industry and society.
12 June 2025 | 12:30–14:00
Measuring the World – Keys to Understanding
As part of the 150th anniversary of the Metre Convention, this public event will explore one bold question: Can science measure everything?
Hosted under the Dome of the Institut de France in Paris, this event brings together leading voices in science and metrology, including Céline Fellag Ariouet (BIPM), Gérard Berry, Sandrine Bony, and Jean-Marc Bordy, and will be moderated by Mathieu Rouault.