## Metre |

metre seal of the international bureau of weights and measures (bipm) – use measure (greek: ΜΕΤΡΩ ΧΡΩ)general information unit system si base unit unit of length symbol m conversions 1 m *in ...**... is equal to ...*si units 1000 mm

0.001km /imperial unitsus ≈ 1.0936 yd

≈ 3.2808ft

≈ 39.370in nautical units ≈ 0.00053996 nmi the

**metre**( andcommonwealth spelling bipm spelling ^{[1]}) or**meter**(american spelling ^{[2]}) (from the french unit*mètre*, from the greek noun μέτρον, "measure") is the ofbase unit in thelength (si). the siinternational system of units symbol isunit **m**.^{[3]}the metre is defined as the length of the path travelled by in a vacuum in 1/299 792 458 of alight .second ^{[1]}the metre was originally defined in 1793 as one ten-millionth of the distance from the to theequator along anorth pole , so thegreat circle is approximately 40000 km. in 1799, the metre was redefined in terms of a prototype metre bar (the actual bar used was changed in 1889). in 1960, the metre was redefined in terms of a certain number of wavelengths of a certain emission line ofearth's circumference . in 1983, the current definition was adopted.krypton-86 - spelling
- etymology
- history of definition
- si prefixed forms of metre
- equivalents in other units
- see also
- notes
- references

Metre | |
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Seal of the International Bureau of Weights and Measures (BIPM) – Use measure (Greek: ΜΕΤΡΩ ΧΡΩ) | |

General information | |

Unit of | |

Symbol | m |

Conversions | |

1 m in ... | ... is equal to ... |

| 1000 0.001 |

| ≈ 1.0936 ≈ 3.2808 ≈ 39.370 |

Nautical units | ≈ 0.00053996 |

The **metre** (^{[1]}) or **meter** (^{[2]}) (from the French unit *mètre*, from the Greek noun μέτρον, "measure") is the **m**.^{[3]}
The metre is defined as the length of the path travelled by ^{[1]}
The metre was originally defined in 1793 as one ten-millionth of the distance from the