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Math and Arithmetic
Units of Measure
Chemistry

# What instrument measures grams?

###### Answered 2013-11-13 12:02:03

A gram is a submultiple (1/1000th) of the kilogram, which is the SI Base Unit for mass.

Mass is measured using a scale balance: a device with two pans suspended from a horizontal beam. A balance cancels the effect of gravity, while allowing the mass of an unknown object to be compared with a known mass -usually provided from a set of very accurate standard masses.

Weight, on the other hand, is the force due to gravity and is measured in newtons and is measured using a spring balance. A spring balance is stretched by the force acting on a body due to gravity and, so, measures its weight.

(Although a spring balance actually measure weight, they are often calibrated to indicate mass.As weight varies from place to place, whereas mass doesn't, this means that a spring balance will only accurately indicate mass at the place where it has been calibrated. This is also true of digital scales, which also measure weight but are usually calibrated to indicate mass.)
The jewelry scale that weighs grams Troy gram

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