SI system and its quantities

The International System of Units, internationally known by the abbreviation SI (from French Système international d'unités), is the modern form of the metric system and the world's most widely used system of measurement.

mass

kilogramm (kg)

time

second (s)

electric current

ampere (A)

luminous intensity

candela (cd)

length

meter (m)

temperature

kelvin (K)

amount of substance

mole (mol)