Square_kilometre Square_kilometre

Square kilometre - Definition and Overview

Square kilometre (US spelling: Square kilometer), symbol km², is an SI unit of surface area. It is one of the SI derived units.

1 km² is equal to:

Conversely:

  • 1 m² = 0.000 001 km2
  • 1 hectare = 0.01 km2
  • 1 square mile = 2.589 988 km2
  • 1 acre = 0.004 047 km2

The 1 E6 m² orders of magnitude page gives comparisons with geographic areas.

hectare << square kilometre << square megametre

See also


Example Usage of kilometre

Salid: Just went on a 7.73 kilometre run in 44 minutes and 7 seconds at a pace of 5:42 per kilometre.
DiOzzie: Just went on a 5 kilometre run in 35 minutes and 22 seconds at a pace of 7:04 per kilometre.
NOAAOceanToday: Destructive 130-kilometre long gillnet found deep in the ocean off Antarctica, bulging with Antarctic toothfish.. http://tinyurl.com/yam64er
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