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Square metre

From Academic Kids

(Redirected from Square kilometre)

A square metre (US spelling: square meter) is by definition the area enclosed by a square with sides each 1 metre long. It is the SI unit of area. It is abbreviated m.

A square metre is equal to:

Square kilometre

1 km is equal to:

Conversely:

  • 1 m = 0.000 001 km
  • 1 hectare = 0.01 km
  • 1 square mile = 2.589 988 km
  • 1 acre = 0.004 047 km

Note: "km" means square kilometre and not kilosquare metre. For example, 3 km is equal to 3 000 000 m and not to 3000 m.

Square megametre

Square megametres are not widely used; however, there are a number of "megametre fans" who think that this unit is very convenient for measuring oceans and continents.

1 Mm is equal to:

  • the area of a square measuring 1 megametre on each side
  • 1 000 000 000 000 m
  • 100 000 000 hectares
  • 1 000 000 km
  • 1 Mm is the area of Egypt
  • The area of Africa is 30.2 Mm
  • The total area of the Moon's surface is 38 Mm
  • The total area of dry land on Earth is 149.8 Mm
  • The area of the Pacific Ocean is 179.7 Mm
  • The total area of the Earth's surface is 510 Mm

See also

cs:Metr čtverečný de:Quadratmeter es:Metro cuadrado eo:Kvadrata metro fr:Mtre carr zh-min-nan:Png-hong-kong-chhioh nl:Vierkante meter ja:平方メートル sk:Štvorcový meter sl:Kvadratni meter fi:Nelimetri sv:Kvadratmeter

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