Square kilometre

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Square kilometre (U.S. spelling: square kilometer), symbol km², is a decimal multiple of SI unit of surface area square metre, one of the SI derived units.

1 km² is equal to:


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

Note: "km²" means square kilometre and not kilo–square metre. For example, 3 km² is equal to 3 * (1,000 m)² = 3,000,000 m², not 3,000 m².

Comparative order

The 106 orders of magnitude page gives comparisons with geographic areas.

A hectare (104 m²) is less than a square kilometre which is less than a square megametre (1012 m²).

See also

als:Quadratkilometer an:Quilometro cuadrau ast:Quilómetru cuadráu zh-min-nan:Pêng-hong-kong-lí be:Квадратны кілямэтар bg:Квадратен километър ca:Quilòmetre quadrat cs:Kilometr čtvereční da:Kvadratkilometer de:Quadratkilometer el:Τετραγωνικό χιλιόμετρο es:Kilómetro cuadrado eo:Kvadrata kilometro fr:Kilomètre carré fy:Fjouwerkante kilometer hr:Četvorni kilometar is:Ferkílómetri it:Chilometro quadro he:קילומטר רבוע sw:Kilomita ya mraba la:Chiliometrum quadratum lv:Kvadrātkilometrs lb:Quadratkilometer li:Veerkante killemaeter hu:Négyzetkilométer mk:Квадратен километар nl:Vierkante kilometer nds-nl:Vierkaante kilometer ja:平方キロメートル no:Kvadratkilometer km:គីឡូម៉ែត​ការ៉េ pt:Quilómetro quadrado ro:Kilometru pătrat ru:Квадратный километр sk:Štvorcový kilometer sl:Kvadratni kilometer sr:Квадратни километар fi:Neliökilometri sv:Kvadratkilometer tt:Quadrat kilometer th:ตารางกิโลเมตร wa:Kilomete cwåré zh:平方千米

Original Source

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