pen cap, about 1 gram.]] For other uses of the words gram or gramme, see gram . The gram or gramme (Greek/Latin root grámma); symbol g, is a unit of mass. Originally defined as "the absolute weight of a volume of pure water equal to the cube of the hundredth part of a metre, and at the temperature of melting ice"[LINK: http://smdsi.quartier-rural.org/histoire/18germ_3.htm] Décret relatif aux poids et aux mesures, 1795 (later 4 °C), a gram is now defined as one one-thousandth of the SI base unit, the kilogram, or 1×10^?3 kg, which itself is defined as being equal to the mass of a physical prototype preserved by the International Bureau of Weights and Measures. Examples All masses are approximate: · Plastic pen cap (Bic): 1 gram · A single Smartie: 1 gram · Paper clip: 0.5 gra

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