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Not just scientists - everyone. Though for scientists, in order to publish information that can be universally understood, standardized measurements are important. The text can be translated from one language to another, but numerical units can't be exactly translated - a foot is "about" 30.5 cm, but there can't be any rounding off like that in scientific data. The simplest solution is for everyone to use the same system of measurement. Many units currently in everyday use are metric units - watts, volts, amps, and ohms for example. So why not use feet, inches, and so on? Because they're clumsy, poorly defined (there are several ounces, all different; a US gallon isn't the same as an Imperial gallon), and are nowhere near as universally used as Americans might think even if everyone within 10 miles of Podunk uses them.

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12y ago

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