Measurements for all times, for all people. World Metrology Day 2025
This year, we celebrate the 150th anniversary of the signing of the Metre Convention- a milestone that underscores a century and a half of international collaboration in measurement science. The official recognition of World Metrology Day as a UNESCO International Day represents an extraordinary opportunity to promote the pivotal role of metrology in building a sustainable future. Read More
You can register to attend the World Metrology Day panel discussion using the following link. Register here
Live stream and resource access links for World Metrology Day on May 20, 2025
You can follow the symposium live via this livestream, which will also be accessible directly from the BIPM.org homepage on the day.
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150th Anniversary YouTube Playlist
This currently includes the BIPM's Director’s video message (explaining the importance of the Anniversary and inviting people to attend), but four additional videos are scheduled to be added in the afternoon (Paris time) on 20 May.
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If you’d like to include a short video message from Dr Milton in your event or presentation, feel free to use this unlisted version. It includes a closing line thanking viewers for celebrating with us.
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We’ve set up a LinkedIn Event space to encourage interaction, allow people to share how they’re celebrating, and comment on the proceedings in real time.
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Social Media Toolkit
You’re welcome to use our ready-made social media messages, visuals, hashtags and handles to promote your activities:
#BIPM150 | @Bureau International des Poids et Mesures (BIPM) on LinkedIn.