The commonly not used system of measurement in science and medicine, around the world are: imperial system
The metric system is widely used in research and medicine because it permits precise and accurate measurements of tiny values.
The British Weights and Measures Act of 1824 established the imperial system of units, sometimes known as the imperial system or imperial units, which was later refined by a number of subsequent Weights and Measures Acts and revisions.
The meter, liter, and gram are used as the base units of length (distance), capacity (volume), and weight (mass), respectively, in the metric system of measurement. We employ units descended from metric units to measure smaller or greater amounts.
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