Common · Knowledge
Hectometre
SI unit of length equal to one hundred metres
The hectometre (SI symbol: hm), spelt hectometer in American English, is a unit of length in the International System of Units (SI), equal to one hundred metres and to one tenth of a kilometre. The word comes from a combination of "metre" and the SI prefix "hecto-", meaning "hundred".
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It is not commonly used in English. A football field (either soccer or American football) is approximately 1 hectometre in length. The hectare (ha), a common metric unit for land area, is equal to one square hectometre (hm). The hectometre has sometimes been used for expressing the distance to a target in warfare.
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