Definition, Meaning & Synonyms

derived unit

Noun

/dɪˈraɪvd juːnɪt/

Definition

A derived unit is a physical quantity that is calculated from other physical quantities, each of which can be expressed in terms of the base units of the International System of Units (SI).

Examples

The unit of speed, meters per second (m/s), is a derived unit based on the base units of length and time.
Pressure is measured in pascals (Pa), which is also a derived unit from force and area.
Following the metric system, many scientific calculations utilize derived units for clarity and precision.

Meaning

Derived units are formed by combining base units through multiplication or division. These units allow for the measurement of complex physical properties, such as speed or density.