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| '''Square ]''', symbol '''km<sup>2</sup>''', is a decimal multiple of the ] ] of ], the ], one of the ]s. | |||
| whooo obama this is the greatest thing ever | |||
| 1 km<sup>2</sup> is equal to: | |||
| * 1,000,000 ]<sup>2</sup> | |||
| * 100 ha (]) | |||
| * 0.386102 ]s | |||
| * 247.105381 ]s | |||
| Conversely: | |||
| *1 m<sup>2</sup> = 0.000 001 (10<sup>−6</sup>) km<sup>2</sup> | |||
| *1 hectare = 0.01 (10<sup>−2</sup>) km<sup>2</sup> | |||
| *1 square mile = {{gaps|2.589|988|km<sup>2</sup>}} | |||
| *1 acre = {{gaps|0.004|047|km<sup>2</sup>}}, {{gaps|0.404|7|ha}} or 4047 m<sup>2</sup> | |||
| Note: "km<sup>2</sup>" means (km)<sup>2</sup>, square kilometre or kilometre squared, and not k(m<sup>2</sup>), kilo–square metre. For example, 3 km<sup>2</sup> is equal to {{gaps|3|×|(1,000|m)<sup>2</sup>}} = 3,000,000 m<sup>2</sup>, not 3,000 m<sup>2</sup>. | |||
| == Comparative order == | |||
| The ] ] page gives comparisons with geographic areas. | |||
| A hectare (10<sup>4</sup> m<sup>2</sup>) is less than a '''square kilometre''' which is less than a ] (10<sup>12</sup> m<sup>2</sup>). | |||
| == Source == | |||
| *{{cite web|url=http://www.empr.gov.bc.ca/Mining/Geolsurv/Minfile/manuals/coding/appdvii.htm |title=Conversion Factors |accessdate=2007-10-13 |work=MINFILE Coding Manual |publisher=Ministry of Energy, Mines and Petroleum Resources. Government of British Columbia }} | |||
| == See also == | |||
| *] | |||
| *] for the precise meaning of the prefix "k" | |||
| *], a proposed ]<br> which is intended to have a collecting area of approximately one square kilometre | |||
| ] | |||
| ] | |||
| {{standard-stub}} | |||
| ] | ] | ||
Revision as of 10:13, 27 April 2010
Square kilometre, symbol km, is a decimal multiple of the SI unit of surface area, the square metre, one of the SI derived units. 1 km is equal to:
- 1,000,000 m
- 100 ha (hectare)
- 0.386102 square miles
- 247.105381 acres
Conversely:
- 1 m = 0.000 001 (10) km
- 1 hectare = 0.01 (10) km
- 1 square mile = 2.589988km
- 1 acre = 0.004047km, 0.4047ha or 4047 m
Note: "km" means (km), square kilometre or kilometre squared, and not k(m), kilo–square metre. For example, 3 km is equal to 3×(1,000m) = 3,000,000 m, not 3,000 m.
Comparative order
The 10 m orders of magnitude page gives comparisons with geographic areas.
A hectare (10 m) is less than a square kilometre which is less than a square megametre (10 m).
Source
- "Conversion Factors". MINFILE Coding Manual. Ministry of Energy, Mines and Petroleum Resources. Government of British Columbia. Retrieved 2007-10-13.
See also
- Conversion of units
- SI prefix for the precise meaning of the prefix "k"
- Square Kilometre Array, a proposed radio telescope
which is intended to have a collecting area of approximately one square kilometre
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