To help compare sizes of different areas, here is a list of areas between 100 million km² and 1,000 million (American billion) km². See also areas of other orders of magnitude. This article explains the meaning of area as a physical quantity. ... Square kilometre (US spelling: Square kilometer), symbol km², is an SI unit of surface area. ... This article is in need of attention. ...

• Areas smaller than 100 million km²
• 140 million km² -- Mars
• 150 million km² -- Earth land
• 160 million km² -- Pacific Ocean
• 360 million km² -- Earth water
• 460 million km² -- Venus
• 510 million km² -- Earth total
• Areas larger than 1,000 million km²

See also: Orders of magnitude To help compare sizes of different areas, here is a list of areas between 10 million km² and 100 million km². ... Mars is the fourth planet from the Sun in the solar system, named after the Roman god of war (the counterpart of the Greek Ares), on account of its blood red color as viewed in the night sky. ... Earth, also known as the Earth or Terra, is the third planet outward from the Sun. ... The Pacific Ocean (from the Latin name Mare Pacificum, peaceful sea, bestowed upon it by the Portuguese explorer Ferdinand Magellan) is the worlds largest body of water. ... Earth, also known as the Earth or Terra, is the third planet outward from the Sun. ... (*min temperature refers to cloud tops only) Atmospheric characteristics Atmospheric pressure 9321. ... Earth, also known as the Earth or Terra, is the third planet outward from the Sun. ... An order of magnitude is the class of scale or magnitude of any amount, where each class contains values of a fixed ratio to the class preceding it. ...

External link

Conversion Calculator for Units of AREA (http://www.ex.ac.uk/trol/scol/ccarea.htm)