+A **physical unit** is a defined magnitude of a [Physical Quantity](/wiki/physical_quantity), serving as a standard for measurement. It gives meaning to a numerical value, enabling consistent comparison and scientific understanding, especially within systems like the [SI](/wiki/SI).
+## See also
+- [Measurement](/wiki/measurement)
+- [Base Unit](/wiki/base_unit)
+- [Dimension](/wiki/dimension)
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