World Metrology Day 2138

Tuesday, 20 May 2138

World Metrology Day marks the Metre Convention and the role of accurate measurement in society.

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Frequently asked questions

When is World Metrology Day 2138?
World Metrology Day 2138 is on Tuesday, 20 May 2138.
What day of the week is World Metrology Day 2138?
It falls on Tuesday.
How is World Metrology Day calculated?
This event is observed every year on 20 May.