In 2025, the metrology community will celebrate the 150th anniversary of the signing in Paris of the Metre Convention, establishing the International Bureau of Weights and Measures which is one of the oldest international organizations. Join us to celebrate this important milestone!

From this website, you will be able to register for the events that will take place on 20, 21 and 22 May 2025 in Paris and Versailles. You will find the latest news on the special anniversary editions, the open poster session and the latest updates on the programme for this celebration week. 

Your celebrating events

Let us know if you are organizing an event in your country to mark the 150th anniversary of the Metre Convention

Posters

The call for posters celebrating progress and identifying new needs in metrology in 9 topic areas is open. The deadline for abstract submission is
15 December 2024

Opens on
1 October 2024