US EditionThe Metre Convention determined how we measure the world
- Delegates from 17 countries signed the Metre Convention in Paris on May 20, 1875, establishing a unified measurement system.
- The convention responded to urgent mid-19th century needs for standardized measurements amid growing science, trade, and industrial complexity.
- The treaty established an organization near Paris responsible for maintaining consistent measurement standards used globally today.
- Failures like the 1999 Mars Climate Orbiter and 1983 Gimli Glider highlight measurement consistency's critical role, supporting claims it 'underpins everything from bridges to smartphones.'
- After 150 years, the Metre Convention underlies global scientific and economic trust, with countries like India advancing metrology through digital reforms and international certification.
21 Articles
21 Articles
Johan Nilsson: The Standardized World Celebrates 150 Years
Today's anniversary is nothing other than the metre convention. That is, the agreement that forms the foundation of the standardized world. A world that has now existed for 150 years. Because who wants to suddenly discover that their apartment has suddenly become smaller or that the bathroom scales have been wrong all these years?
Metric Convention 150: Does a Kilo of Gold Weigh More than a Kilo of Watts?
In the latest episode of the video series "The Measured World" dedicated to the 150th anniversary of the Metric Convention, we will discuss a classic riddle: which is heavier, a kilo of watt or a kilo of gold? Allar Pärn, a specialist in the field of measurement and standard-setting at Metrosert, will help you find the answer.
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