Main Page | See live article | Alphabetical index To help compare different orders of magnitude we list here masses between 1019 kilograms (10 petatonnes) and 1020 kilograms (100 petatonnes). See also masses of other orders of magnitude. Lighter masses Heavier masses See also: Orders of magnitude, conversion of units External link Conversion Calculator for Units of MASS (& Weight) - (requires JavaScript) This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.