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Learn more about "Km²"
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Square kilometre'''Square kilometre''' (United States|U.S. spelling: '''square kilometer'''), symbol '''km2''', is a decimal multiple of the SI Units of measurement|unit of surface area, the square metre, one of the SI derived unit |SI derived units.
1 km2 is equal to:
- 1,000,000 metre |m2
- 100 ha (hectare)
Conversely:
- 1 m2 = 0.000 001 (10−6) km2
- 1 hectare = 0.01 (10−2) km2
- 1 square mile = 2.589 988 km2
- 1 acre = 0.004 047 km2, 0.404 7 ha or 4047 m2
Note: "km2" means (km)2, square kilometre or kilometre squared, and not k(m2), 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 1 E+6 m²|106 m2 orders of magnitude page gives comparisons with geographic areas.
A hectare (104 m2) is less than a '''square kilometer''' which is less than a square megametre (1012 m2).
Source
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See also
Category:Units of area
Category:SI derived units
zh-min-nan:Pêng-hong-kong-lí
be-x-old:Квадратны кілямэтар
nds-nl:Vierkaante kilemeter
zh-yue:平方公里
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