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square kilometre

File:Comparison_of_units_of_area.png · Wikimedia Commons · See Wikimedia Commons

EntityQ712226· pop 133· linked from 851 articles

square kilometre

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Also known as square kilometer, km², km2, sqkm, sq km, km^2, square kilometers, square kilometres

decimal multiple of the SI unit of surface area

AI overview

A square kilometre is a metric unit of area equal to a surface measuring one kilometre on each side, making it part of the standard international system of measurements used worldwide. It's commonly used to describe the size of geographic areas like cities, regions, and countries, providing a consistent way for people across different nations to understand and compare land sizes.

AI-generated from the Wikipedia summary — may contain errors.

Wikidata facts

Instance of
SI derived unit
Image
1 km2.svg
Show 8 more facts
conversion to standard unit
247.1054
unit symbol
км²
Wikidata SPARQL query equivalent
wd:Q712226 p:P2370/psn:P2370 [wikibase:quantityAmount ?source; wikibase:quantityUnit ?base]. ?item p:P2370/psn:P2370 [wikibase:quantityAmount ?target; wikibase:quantityUnit ?base]. BIND(?source / ?target as ?value)
Commons category
Square kilometre
conversion to SI unit
1000000
Unicode character
measured physical quantity
area
Sources (1)

via Wikidata · CC0

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Encyclopedic overview

The square kilometre (square kilometer in American spelling; symbol: km) is a multiple of the square metre, the SI unit of area or surface area. In the SI unit of area (m), 1 km is equal to 1M(m).

1 km is equal to:

Excerpted from Wikipedia’s “square kilometre” article, available under the CC BY-SA 4.0 licence.

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On the map

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