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Encyclopedia > Square kilometres

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:

  • the area of a square measuring 1 kilometre on each side
  • 1 000 000 m2
  • 100 hectares
  • 0.386 102 square miles (statute)
  • 247.105 381 acres

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


  Results from FactBites:
 
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PRT: Appendices (645 words)
Initial payment £80 per square kilometre for 4 years, then £120 per square kilometre for 3 years.
Annual payment £100 per square kilometre for 4 years then £150 per square kilometre for 3 years.
Initial payment £330 per square kilometre covering first eight years of blocks in Rockall and Faroes trough and first six years of blocks in other areas.
  More results at FactBites »


 

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