Math and Arithmetic
Units of Measure

What instrument measures grams?

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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


(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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