what does kilometer represent
The kilometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: km; /ËkÉªlÉmiËtÉ/ or /kÉªËlÉmÉªtÉ/) or kilometer (American spelling) is a unit of length in the metric system, equal to one thousand metres (kilo-being the SI prefix for 7003100000000000000â 1000).he kilometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: km; /ËkÉªlÉmiËtÉ/ or /kÉªËlÉmÉªtÉ/) or kilometer (American spelling) is a unit of length in the metric system, equal to one thousand metres (kilo-being the SI prefix for 7003100000000000000â 1000).