- 1 E+6 m²
To aid in the comparison of sizes of different geographic regions, areas between 1
km² (100hectare s) and 10 km² (1000 hectares) are listed below. "See also" areas of other orders of magnitude.* Areas smaller than 1 km²
* 1square kilometre (U.S. spelling: square kilometer), symbol km², is anSI unit ofsurface area . It is one of theSI derived unit s. It is equal to:
** 100hectare s
**1 E+6 m² or 106 m² inscientific notation
** 1,000,000 m²
** 0.386 squaremile s
** 247.105381acre s
** the area of a square of side length 1 km
** a cube with this surface area has sides of length 408 m
** acircle of this area has a radius of 564 m
** asphere of this surface area has a radius of 282 m
* 135 hectares—the campus of theUnited States Naval Academy
* 179 hectares—Bennebroek , smallest municipality in theNetherlands
* 195 hectares—Monaco (country ranked 192nd by area)
* 200 hectares—Herm , Channel Islands
* 250 hectares—Hyde Park andKensington Gardens in London
* 258.998811 hectares—1 mile² or section (USA)
* 290 hectares—City of London
* 320 hectares—Hampstead Heath in London
* 341 hectares—Central Park in New York
* 400 hectares—Great Wall of China , largest human structure.
* 460 hectares—Pitcairn Island
* 493 hectares—University of the Philippines, Diliman
* 515 hectares—Falls Church, Virginia , the smallest county-level political subdivision in the United States by area.
* 650 hectares—Gibraltar
* 890 hectares—size of largestorganism on Earth, "Armillaria ostoyae ". [BBC : [http://news.bbc.co.uk/1/hi/sci/tech/869808.stm Fantastic Fungus Find] accessed31 August 2006 ]
* Areas larger than 10 km²Notes
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