World Metrology Day 2027

Thursday, 20 May 2027

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 2027?
World Metrology Day 2027 is on Thursday, 20 May 2027.
What day of the week is World Metrology Day 2027?
It falls on Thursday.
How is World Metrology Day calculated?
This event is observed every year on 20 May.