Kilometre
The kilometre (SI symbol: km; /ˈkɪləmiːtər/ or /kɪˈlɒmətər/), spelt kilometer in American English and Philippine English, is a unit of length in the International System of Units (SI), equal to one thousand metres (kilo- being the SI prefix for 1000). It is the preferred measurement unit to express distances between geographical places on land in most of the world; notable exceptions are the United States and the United Kingdom where the statute mile is used.
| kilometre | |
|---|---|
The main span of the Golden Gate Bridge is 1.28 kilometres (1,280 m). | |
| General information | |
| Unit system | SI |
| Unit of | length |
| Symbol | km |
| Conversions | |
| 1 km in ... | ... is equal to ... |
| SI base units | 1000 m |
| imperial/US units | 0.62137 mi 1093.6 yd 3280.8 ft |
| nautical units | 0.53996 nmi |
The abbreviation km is commonly used to represent kilometre. The abbreviation Km is not recommended by the BIPM. A slang term for the kilometre in the US, UK, and Canadian militaries is klick.
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