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Markus Kuhn (talk | contribs) For links from the symbol g, it is useful to have a page separate from the kilogram |
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The '''gram''' or '''gramme''', symbol '''g''', is a [[Physical unit|unit]] of [[mass]], and is defined as one one-thousandth of the [[SI]] base unit [[kilogram]] (i.e., 1×10<sup>−3</sup> kg).
==Uses==
The gram is today the most widely used unit of measurement for non-liquid ingredients in cooking and grocery shopping worldwide. For food products that are typically sold in quantities far less than 1 kg, the unit price is normally given per 100 g.
Most standards and legal requirements for nutrition labels on food products require relative contents to be stated per 100 g of the product, such that the resulting figure can also be read as a percentage.
==Conversion factors==
* One [[millilitre]] of liquid water weighs almost exactly 1 g.
* One [[ounce]] avoirdupois is 28.349 523 125 g (see [[Conversion of units]]).
* On U.S. nutrition labels, one [[ounce]] is defined to be 30 g.
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