# Hectometre

## SI unit of length / From Wikipedia, the free encyclopedia

The **hectometre** (International spelling as used by the International Bureau of Weights and Measures; SI symbol: **hm**^{[1]}) or **hectometer** (American spelling) is a unit of length in the International System of Units (SI), equal to one hundred metres^{[2]} and to one tenth of a kilometre. The word comes from a combination of "metre" and the SI prefix "hecto-", meaning "hundred".^{[3]} It is not commonly used in English.^{[citation needed]} A football field (either soccer or American) is approximately 1 hectometre in length.^{[4]}^{[5]} The hectare (ha), a common metric unit for land area, is equal to one square hectometre (hm^{2}).

**Quick Facts**General information, Unit system ...

Hectometre | |
---|---|

General information | |

Unit system | SI |

Unit of | length |

Symbol | hm |

Conversions | |

1 hm in ... | ... is equal to ... |

SI base units | 100 m |

imperial/US units | 109.36 yd ā3937.0 in |

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The hectometer has sometimes been used for expressing the distance to a target in warfare.^{[6]}^{[7]}^{[8]}