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Math and Arithmetic
Length and Distance
US Army History and Traditions

Metric unit for measuring length?

Answer

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November 29, 2017 3:02AM

By unit of length and distance and conversion ,we can say that Metric unit for measuring length is meter.

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The metre (to use its correct French spelling) is the SI standard unit of length, and for practical purposes we use its milli-, micro- and nano- divisions downwards, and its kilo- multiplier upwards.

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The centimetre is in common day-to-day use for clothes sizes and the like, but is not a "preferred unit" and is not used in science and engineering, save for the cubic centimetre (cc) in chemistry and engine specifications.

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Agriculture and forestry use the Hectare (Ha) for area but otherwise areas are in square metres, or the square mill-, micro-, nano- metre down; and square kilometre upwards.

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Whilst numerically all right, the "Mega" multiple is rare or non-preferred here. In fact I have only ever seen Mega tacked onto Newtons (force or weight), Pascals (pressure), litres (liquid volume) and electrical units.

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The deci- and deca- factors in any measurements, are rarely, if ever, used.

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Avoid mixing multiples / divisors - don't say "3m 55mm", but instead say "3055mm" or (better) "3.055m" ("Three-point-nought-five-five").