Logo LNE : Laboratoire national de métrologie et d'essais

LNE steers

french metrology

Since 2005, the State has entrusted LNE with the responsibility of managing and leading French metrology. Composed of 10 laboratories that bring together nearly 220 metrology researchers, this network ensures the sustainability of national standards and the implementation of the seven basic units of the International System of Units (SI).

Discover metrology

Metrology is the science of measurement, it is omnipresent in our daily lives. Discover what metrology is and some essential notions to understand and perform reliable and valid measurements.


The International

System of Units (SI)

Why is the SI the reference base for measurement in all regions of the world, at all times? Some answers, with the presentation of developments since the two founding dates of 1875 and 1960.


An expertise

at the service of research and industry

Metrology research has a strong impact on our daily lives as a whole, but also on scientific and technological developments. Metrological expertise supports the competitiveness of companies and the development of industrial innovation.