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**gigagram**— (Gg) an SI unit of mass equal to 109 grams, one million kilograms, or 1 kilotonne (1000 metric tons). This unit is used in scientific contexts, such as the measurement of atmospheric emissions. One gigagram equals about 2.2046 million pounds… … Dictionary of units of measurement**Orders of magnitude (mass)**— Iron weights up to 50 kilograms depicted in Dictionnaire encyclopédique de l épicerie et des industries annexes. To help compare different orders of magnitude, the following list describes various mass levels between 10−36 kg and 1060 kg … Wikipedia**Kilogram**— Kg redirects here. For other uses, see Kg (disambiguation). Kilogram A computer generated image of the international prototype kilogram (IPK). The IPK is the kilogram. The IPK, which is roughly the size of a golf ball, sits here alongside a ruler … Wikipedia**Tonne**— This article is about the metric unit of mass. For other ton units, see Ton. For other uses, see Tonne (disambiguation). The tonne (unit symbol t) or metric ton (US),[1] often written pleonastically as metric tonne, is a unit of mass equal to… … Wikipedia**GG**— may refer to:*Game of the Generals, an abstract strategy game *Grey Griffins, a fantasy children s novel series *General Government, the name given by German citizens to the governing authority in Poland after its occupation by the Wehrmacht in… … Wikipedia**Orders of magnitude (density)**— Skylab measured several orders of magnitude of the Sun s density (top scale: 10−18 to 10−6 g⋅cm−3, equivalent to 10−15 to 10−3 kg⋅m−3) at different temperatures and heights above its surface. List of orders of magnitude for density less than … Wikipedia**TNT equivalent**— Kiloton redirects here. For the similarly named weight measurements, see Tonne. For the similarly spelled Transformers character, see Megatron. For UK kids gaming magazine, see Megaton (Magazine). Diagram of explosive yield vs mushroom cloud… … Wikipedia**Gg**— see gigagram … Dictionary of units of measurement**kiloton**— (kt or KT or kton) 1. an ambiguous unit of mass, ambiguous because it may refer to 1000 U.S. tons (907 185 kilograms), 1000 British tons (1 016 047 kilograms), or 1000 metric tons (1 million kilograms, or 1 gigagram). To reduce this confusion … Dictionary of units of measurement**tonne**— (t) a metric unit of mass equal to 1000 kilograms or approximately 2204.623 pounds avoirdupois. The SI uses this French spelling for the metric ton (see ton2 above) to distinguish it clearly from the long and short tons of customary English… … Dictionary of units of measurement