Measurements for all times, for all people
Welcome to the 2025 BIPM-OIML World Metrology Day Resource website.
This website is designed to provide the metrology community with communication resources to help them promote World Metrology Day around the globe.
These resources are supplied free of charge. In return, we ask users to share their activities, posters and other related media for promotion purposes.
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 [Learn more].
The World Metrology Day Poster
At the heart of this year’s celebrations is the official 2025 World Metrology Day poster.
Topic: Measurements for all times, for all people.
How to use the Poster
We invite stakeholders - including national metrology institutes, academic institutions, industry partners and policymakers - to use this Poster in your outreach efforts. It can be displayed at events, shared online, and used as an educational tool to:
- Promote the importance of metrology within specific sectors.
- Inspire discussions about the role of accurate measurements in achieving sustainability goals.
- Enhance awareness of the Metre Convention's historical and future impact.
Get the details on how to download this poster and how to generate one in your own language on our Poster page.
For more on this important day
- Go to the UNESCO World Metrology Day website to learn more about world metrology day and its global significance.
- Go to the BIPM’s 150th Anniversary Webpage to learn more about the 150th Anniversary and celebrations and conferences taking place in and around Paris.
