Full name: kilometre
Plural form: kilometres
Symbol: km
Alternate spelling: kilometers
Category type: length
Scale factor: 1000
The SI base unit for length is the metre.
1 metre is equal to 0.001 kilometer.
Valid units must be of the length type.
You can use this form to select from known units:
A kilometre (American spelling: kilometer, symbol: km) is a unit of length equal to 1000 metres (from the Greek words khilia = thousand and metro = count/measure). It is approximately equal to 0.621 miles, 1094 yards or 3281 feet.
kilometer to metric mile [high school]
kilometer to arms-length
kilometer to polegada [Portuguese]
kilometer to township
kilometer to arpent [Canada]
kilometer to nail
kilometer to miil (mijl) [Denmark]
kilometer to foot [iraq]
kilometer to span
kilometer to dra [Iraq]