›› Measurement unit: kilometers

Full name: kilometre

Plural form: kilometres

Symbol: km

Alternate spelling: kilometers

Category type: length

Scale factor: 1000


›› SI unit: metre

The SI base unit for length is the metre.
1 metre is equal to 0.001 kilometers.


›› Convert kilometers to another unit

Convert kilometers to  

Valid units must be of the length type.
You can use this form to select from known units:

Convert kilometers to  


›› Definition: Kilometer

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.


›› Sample conversions: kilometers

kilometers to decimetre
kilometers to douzičme [print]
kilometers to furlong [survey]
kilometers to step
kilometers to cape foot
kilometers to pygme [Greece]
kilometers to cubit [Egyption]
kilometers to alen [Swedish]
kilometers to milla [Spanish]
kilometers to kind