Template:Infobox unit Template:Short description The hectometre, (SI symbol: hm<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>), spelt hectometer in American and Philippine English, is a unit of length in the International System of Units (SI), equal to one hundred metres<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> and to one tenth of a kilometre. The word comes from a combination of "metre" and the SI prefix "hecto-", meaning "hundred".<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> It is not commonly used in English.Template:Cn A football field (either soccer or American) is approximately 1 hectometre in length.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref><ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> The hectare (ha), a common metric unit for land area, is equal to one square hectometre (hm2).
The hectometer has sometimes been used for expressing the distance to a target in warfare.<ref>http://www.navweaps.com/index_tech/tech-044.php Template:Bare URL inline</ref><ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref><ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>