Main Page | See live article | Alphabetical index To help compare sizes of different surface areas, we list here areas of the order of 1019 square metres, i.e. those between 10 trillion km2 and 100 trillion km2. See also areas of other orders of magnitude. Areas smaller than 10,000,000 million km2 Areas larger than 100,000,000 million km2 See also: Orders of magnitude External link Conversion Calculator for Units of AREA This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.