​​World Metrology Day 2025

Join NMISA in celebrating World Metrology Day 2025, under the theme “Measurements for all times, for all people."

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.

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Stream the event live

Watch the official celebration live from Paris – streaming on 20 May here.​

Media and resources

• ​Download the official South African version of the World Metrology Day poster WMD 2025_NMISA poster.pdf
• ​Download the NMISA press release on World Metrology Day 2025. Coming soon            
• Download the international press release on World Metrology Day 2025. International Press Release_WMD_2025.pdf                                    
• View the BIPM Director, Dr Martin Milton's message on the celebration of this milestone click here​
• View the BIPL Director, Mr Anthony Donnella​n's message on the celebration of this milestone click here

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