kilometers

     

A kilometre (American spelling: kilometer, symbol km) is a unit of length in the metric system, equal to one thousan metres, the current SI base unit of length. It can be written in scientific notations as 1×10³ m (engineering notation) or 1 E+3 m (exponential notation) — both meaning 1,000 × 1 m.

Trivia about kilometers

  • If you're doing the Montreal speed limit of 50 in your car, make sure it's in these units per hour
  • To convert from miles into these units, multiply by 1.6
  • In a metric nursery rhyme, a crooked man would go a crooked 1.609 of these
  • The longest race in the Summer Olympics is a walk of 50 of these metric units