›› Measurement unit: kilometre

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 kilometre.


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›› 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: kilometre

kilometre to light year
kilometre to parasang
kilometre to block [South, West U.S.]
kilometre to vara [Spanish]
kilometre to quarter
kilometre to city block [Midwest U.S.]
kilometre to royal foot
kilometre to light minute
kilometre to myriametre
kilometre to gry