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Australia, officially the Commonwealth of Australia, [17] is a country comprising the mainland of the Australian continent, the island of Tasmania and numerous smaller islands. [18] Australia has a total area of 7,688,287 km 2 (2,968,464 sq mi), making it the sixth-largest country in the world and the largest in Oceania.
Metrication in Australia effectively began in 1966 with the conversion to decimal currency under the auspices of the Decimal Currency Board. [1] The conversion of measurements—metrication—commenced subsequently in 1971, under the direction of the Metric Conversion Board and actively proceeded until the Board was disbanded in 1981.
The land mass covers 7,591,608 km 2 (2,931,136 sq mi), about 98.7% of the area of the country of Australia and 1.5% of Earth's surface. [4] It is sometimes described as an island, in which case it would be the largest island by area–more than three times the size of Greenland. [5]
square centimetre: cm2 Q2489298: cm 2: US spelling: square centimeter: 1.0 cm 2 (0.16 sq in) cm2 sqin; square millimetre: mm2 Q2737347: mm 2: US spelling: square millimeter: 1.0 mm 2 (0.0016 sq in) mm2 sqin; non-SI metric: hectare: ha Q35852: ha equivalent to one square hectometre 1.0 ha (2.5 acres) Imperial & US customary: square mile: sqmi ...
Australia has the third-largest exclusive economic zone of 8,148,250 km 2 (3,146,060 sq mi). This EEZ does not include the Australian Antarctic Territory (an additional 5,896,500 km 2 (2,276,700 sq mi)). Australia has the largest area of ocean jurisdiction of any country on Earth. [5] It has no land borders.
This list includes all islands in the world larger than 1,000 km 2 (390 sq mi). For size and location reference, the four continental landmasses are also shown. Continental landmasses Continental landmasses are not usually classified as islands despite being completely surrounded by water. [Note 1] However, because the definition of continent varies between geographers, the Americas are ...
Square miles should not be confused with miles square, a square region with each side having a length of the value given. For example, a region which is 20 miles square (20 miles × 20 miles) has an area of 400 sq mi; a rectangle of measuring 10 miles × 40 miles also has an area of 400 sq mi, but is not 20 miles square.
With a total land area of 8.56 million square kilometres (3,310,000 sq mi), the Australian continent is the smallest, lowest, flattest, and second-driest continent (after Antarctica) on Earth. [5] As the country of Australia is mostly on a single landmass, and comprises most of the continent, it is sometimes informally referred to as an island ...