Information About

Megametre




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A megametre ( of Length in the Metric System , equal to one million Metre s, the current SI Base Unit of length, hence to 1,000 Km or customary equivalent to 621.37 Mile s. It can be written in Scientific Notation s as 1×106 m (engineering notation) or (exponential notation) — both meaning .


Nanometre <<< Micrometre <<< Millimetre < Centimetre < Decimetre < Metre < Decametre < Hectometre < Kilometre <<< Megametre <<< Gigametre

Megametres (from the Greek words ''megas'' = big and ''metro'' = count/measure) are rarely seen in practical use, because they are too big for most terrestrial tasks. Their symbol (Mm) can also be easily confused with Millimetre s (mm). Still there are a number of "megametre fans". Megametres are also occasionally found in Science Fiction .




SEE ALSO




''A megameter is also a type of Astrometrical instrument used for determining Longitude by observation of the Star s.''