Rahvusvahelise mõõtühikute süsteemi (SI) põhiühikud, nendest tuletatud ühikud, nende kord- ja osaühikud ning rahvusvaheliselt kehtestatud lisaühikud ja nende kasutamise viis

This procedure concerns the fundamental units of the International System of Units (SI), derived units, and related units, as well as supplementary units and their usage. It ensures consistency in measurements across various fields. This affects businesses, researchers, and consumers by standardizing how quantities are measured and reported, ensuring accuracy and comparability in trade and science.