1 E6 m²
Encyclopedia
Hectare
The hectare is a metric unit of area defined as 10,000 square metres , and primarily used in the measurement of land. In 1795, when the metric system was introduced, the are was defined as being 100 square metres and the hectare was thus 100 ares or 1/100 km2...
s) and 10 km2 (1000 hectares) are listed below. See also areas of other orders of magnitude
Orders of magnitude (area)
This page is a progressive and labeled list of the SI area orders of magnitude, with certain examples appended to some list objects.-References:...
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- Areas smaller than 1 km2
- 1 square kilometreSquare kilometreSquare kilometer, symbol km2, is a decimal multiple of the SI unit of surface area, the square metre, one of the SI derived units.1 km2 is equal to:* 1,000,000 m2* 100 ha * 0.386302 square miles* 247.105381 acresConversely:...
(U.S.United StatesThe United States of America is a federal constitutional republic comprising fifty states and a federal district...
spelling: square kilometer), symbol km2, is an SISiSi, si, or SI may refer to :- Measurement, mathematics and science :* International System of Units , the modern international standard version of the metric system...
unitUnits of measurementA unit of measurement is a definite magnitude of a physical quantity, defined and adopted by convention and/or by law, that is used as a standard for measurement of the same physical quantity. Any other value of the physical quantity can be expressed as a simple multiple of the unit of...
of surface areaSurface areaSurface area is the measure of how much exposed area a solid object has, expressed in square units. Mathematical description of the surface area is considerably more involved than the definition of arc length of a curve. For polyhedra the surface area is the sum of the areas of its faces...
. It is one of the SI derived unitSI derived unitThe International System of Units specifies a set of seven base units from which all other units of measurement are formed, by products of the powers of base units. These other units are called SI derived units, for example, the SI derived unit of area is square metre , and of density is...
s. It is equal to:- 100 hectareHectareThe hectare is a metric unit of area defined as 10,000 square metres , and primarily used in the measurement of land. In 1795, when the metric system was introduced, the are was defined as being 100 square metres and the hectare was thus 100 ares or 1/100 km2...
s - 1 E+6 m2 or 106 m2 in scientific notationScientific notationScientific notation is a way of writing numbers that are too large or too small to be conveniently written in standard decimal notation. Scientific notation has a number of useful properties and is commonly used in calculators and by scientists, mathematicians, doctors, and engineers.In scientific...
- 1,000,000 m2
- 0.386 square mileMileA mile is a unit of length, most commonly 5,280 feet . The mile of 5,280 feet is sometimes called the statute mile or land mile to distinguish it from the nautical mile...
s - 247.105381 acreAcreThe acre is a unit of area in a number of different systems, including the imperial and U.S. customary systems. The most commonly used acres today are the international acre and, in the United States, the survey acre. The most common use of the acre is to measure tracts of land.The acre is related...
s - the area of a squareSquare (geometry)In geometry, a square is a regular quadrilateral. This means that it has four equal sides and four equal angles...
of side length 1 kmKilometreThe kilometre is a unit of length in the metric system, equal to one thousand metres and is therefore exactly equal to the distance travelled by light in free space in of a second... - a cube with this surface area has sides of length 408 m
- a circleCircleA circle is a simple shape of Euclidean geometry consisting of those points in a plane that are a given distance from a given point, the centre. The distance between any of the points and the centre is called the radius....
of this area has a radius of 564 m - a sphereSphereA sphere is a perfectly round geometrical object in three-dimensional space, such as the shape of a round ball. Like a circle in two dimensions, a perfect sphere is completely symmetrical around its center, with all points on the surface lying the same distance r from the center point...
of this surface area has a radius of 282 m
- 100 hectare
- 125 hectares-size of the National MallNational MallThe National Mall is an open-area national park in downtown Washington, D.C., the capital of the United States. The National Mall is a unit of the National Park Service , and is administered by the National Mall and Memorial Parks unit...
in Washington, DC. - 135 hectares—the campus of the United States Naval AcademyUnited States Naval AcademyThe United States Naval Academy is a four-year coeducational federal service academy located in Annapolis, Maryland, United States...
- 179 hectares—BennebroekBennebroekBennebroek is a town and former municipality in the Netherlands, in the province of North Holland, now part of Bloemendaal municipality. Before its merger, it was the smallest municipality in the Netherlands, covering an area of only 1.75 km².-History:...
, smallest municipality in the NetherlandsNetherlandsThe Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders... - 195 hectares—MonacoMonacoMonaco , officially the Principality of Monaco , is a sovereign city state on the French Riviera. It is bordered on three sides by its neighbour, France, and its centre is about from Italy. Its area is with a population of 35,986 as of 2011 and is the most densely populated country in the...
- 200 hectares—HermHermHerm is the smallest of the Channel Islands that is open to the public and is part of the Bailiwick of Guernsey. Cars are banned from the small island just like its Channel Island neighbour, Sark. Unlike Sark, bicycles are also banned...
, Channel Islands - 250 hectares—Hyde ParkHyde Park, LondonHyde Park is one of the largest parks in central London, United Kingdom, and one of the Royal Parks of London, famous for its Speakers' Corner.The park is divided in two by the Serpentine...
and Kensington GardensKensington GardensKensington Gardens, once the private gardens of Kensington Palace, is one of the Royal Parks of London, lying immediately to the west of Hyde Park. It is shared between the City of Westminster and the Royal Borough of Kensington and Chelsea. The park covers an area of 111 hectares .The open spaces...
in London - 258.998811 hectares—1 mile2 or sectionSection (United States land surveying)In U.S. land surveying under the Public Land Survey System , a section is an area nominally one square mile, containing , with 36 sections making up one survey township on a rectangular grid....
(USA) - 290 hectares—City of LondonCity of LondonThe City of London is a small area within Greater London, England. It is the historic core of London around which the modern conurbation grew and has held city status since time immemorial. The City’s boundaries have remained almost unchanged since the Middle Ages, and it is now only a tiny part of...
- 320 hectares—Hampstead HeathHampstead HeathHampstead Heath is a large, ancient London park, covering . This grassy public space sits astride a sandy ridge, one of the highest points in London, running from Hampstead to Highgate, which rests on a band of London clay...
in London - 341 hectares—Central ParkCentral ParkCentral Park is a public park in the center of Manhattan in New York City, United States. The park initially opened in 1857, on of city-owned land. In 1858, Frederick Law Olmsted and Calvert Vaux won a design competition to improve and expand the park with a plan they entitled the Greensward Plan...
in New York - 400 hectares—Great Wall of ChinaGreat Wall of ChinaThe Great Wall of China is a series of stone and earthen fortifications in northern China, built originally to protect the northern borders of the Chinese Empire against intrusions by various nomadic groups...
, largest human structure. - 460 hectares—Pitcairn Island
- 493 hectares—University of the Philippines Diliman
- 515 hectares—Falls Church, VirginiaFalls Church, VirginiaThe City of Falls Church is an independent city in Virginia, United States, in the Washington Metropolitan Area. The city population was 12,332 in 2010, up from 10,377 in 2000. Taking its name from The Falls Church, an 18th-century Anglican parish, Falls Church gained township status within...
, the smallest county-level political subdivision in the United States by area. - 650 hectares—GibraltarGibraltarGibraltar is a British overseas territory located on the southern end of the Iberian Peninsula at the entrance of the Mediterranean. A peninsula with an area of , it has a northern border with Andalusia, Spain. The Rock of Gibraltar is the major landmark of the region...
- 890 hectares—size of largest organismOrganismIn biology, an organism is any contiguous living system . In at least some form, all organisms are capable of response to stimuli, reproduction, growth and development, and maintenance of homoeostasis as a stable whole.An organism may either be unicellular or, as in the case of humans, comprise...
on Earth, Armillaria solidipes. - Areas larger than 10 km2