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Encyclopedia > Gram (unit)

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For other meanings of gram, see gram (disambiguation). The gram (also spelt gramme) is a unit of measurement of mass, and is defined in the SI system of units as one thousandth of a kilogram (ie. 1x10-3kg). The symbol for gram is g. The formerly used alternate symbol gm is no longer correct. A cubic centimetre (10-6 m3) of water has a mass of approximately one gram. Which is equal to the mass of a paperclip. It is not an SI base unit, although it is a base unit of the cgs system of units. milligram << gram << kilogram See also SI prefix conversion of units Orders of magnitude (mass) External link Conversion Calculator for Units of MASS (& Weight) (http://www.ex.ac.uk/trol/scol/index.htm) Categories: CGS units | SI derived units of mass

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	Units: G (4824 words) This unit is the English corn or grain gallon, standardized during the reign of Elizabeth I in the sixteenth century. an idiomatic "unit" of distance; it's common to hear that something is "as small as a gnat's eye." In fact, the eyes of typical gnats tend to have diameters similar in size to a hair's breadth: roughly 100-150 micrometers (0.10-0.15 millimeters). The unit is named for the British physician L. Harold Gray (1905-1965), an authority on the use of radiation in the treatment of cancer. Kilogram - Wikipedia, the free encyclopedia (1073 words) Since 1889, the SI system defines the unit to be equal to the mass of the international prototype of the kilogram, which is made from an alloy of platinum and iridium of 39 mm height and diameter, and is kept at the Bureau International des Poids et Mesures (International Bureau of Weights and Measures). The gram was the base unit of the older cgs system of measurement, a system which is no longer widely used. Occasionally the gravitational force on an object is given in "kilograms", but the unit used is not a true kilogram: it is the deprecated kilogram-force (kgf), also known as the kilopond (kp).
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