# Physical quantity

## Measurable property of a material or system / From Wikipedia, the free encyclopedia

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A **physical quantity** is a physical property of a material or system that can be quantified by measurement. A physical quantity can be expressed as a *value*, which is the algebraic multiplication of a ' Numerical value ' and a ' Unit '. For example, the physical quantity of mass can be quantified as '32.3 kg ', where '32.3' is the numerical value and 'kg' is the Unit.

Measurable property of a material or system

A physical quantity possesses at least two characteristics in common.

- Numerical magnitude
- Units