+A **unit system** is a coherent set of [units of measurement](/wiki/unit_of_measurement) used to express various physical quantities. It provides a standardized framework, crucial for clear communication and consistent calculations in [science](/wiki/science) and engineering. These systems ensure that numerical values have precise, universally understood meanings.
+## See also
+- [Metric System](/wiki/metric_system)
+- [SI Units](/wiki/SI_units)
+- [Measurement](/wiki/measurement)
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