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The metre (British spelling) or meter (American spelling) (symbol: m) is the basic unit of length in the SI measurement system. The symbol for the metre is m. The first meaning (in the French Revolution) was one ten-millionth of the distance between the Earth's equator and the North Pole along the Paris meridian.[1] The metre is now defined as the distance light travels in a vacuum in 1/299,792,458 of a second.[1]

In the imperial system of measurement, one yard is 0.9144 metres (after international agreement in 1959), so a metre is very near to 39.37 inches: about 3.281 feet, or 1.0936 yards.

Units multiples

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• 0.000 000 000 000 000 000 000 000 000 001 Qm (quettametre) = 1 m
• 0.000 000 000 000 000 000 000 000 001 Rm (ronnametre) = 1 m
• 0.000 000 000 000 000 000 000 001 Ym (yotametre) = 1 m
• 0.000 000 000 000 000 000 001 Zm (zetametre) = 1 m
• 0.000 000 000 000 000 001 Em (exametre) = 1 m
• 0.000 000 000 000 001 Pm (petametre) = 1 m
• 0.000 000 000 001 Tm (terametre) = 1 m
• 0.000 000 001 Gm (gigametre) = 1 m
• 0.000 001 Mm (megametre) = 1 m
• 0.001 km (kilometre) = 1 m
• 0.01 hm (hectometre) = 1 m
• 0.1 dam(decametre) = 1 m
• 1 m (metre)
• 10 dm (decimetres) = 1 m
• 100 cm (centimetres) = 1 m
• 1000 mm (millimetres) = 1 m
• 1 000 000 μm (micrometres) = 1 m
• 1 000 000 000 nm (nanometres) = 1 m
• 1 000 000 000 000 pm (picometres) = 1 m
• 1 000 000 000 000 000 fm (fermi or femtometres) = 1 m
• 1 000 000 000 000 000 000 am (attometres) = 1 m
• 1 000 000 000 000 000 000 000 zm (zeptometres) = 1 m
• 1 000 000 000 000 000 000 000 000 ym (yoctometres) = 1 m
• 10^27 rm (rontometre)
• 10^30 qm (quettametre)

Related pages

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• Metre Convention

References

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1. 1 2 "Historical context of the SI". US Government - National Institute of Standards and Technology.

v t e SI units
Authority: International System of Units (BIPM)
Base units	Ampere Candela Kelvin kg metre mole s
Units basedon base units	Bq Ci C °C F Gy Henry Hz J kcal BTU Katal lumen lux N Ω Pa rad Siemens Sv Steradian T V W Wb
Other units	AU bar Day Parsec dB Degree of arc Electronvolt Hectare h litre Gallon min Tonne Da amu
See also	Conversion of units Metric prefixes Systems of measurement
Category

Retrieved from "https://simple.wikipedia.org/w/index.php?title=Metre&oldid=10601633" Categories:

• SI units
• Units of length

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