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1 Milligram =

1 x 10^{-6} Kilograms

(exact result)

A milligram is 1/1000^{th} of a gram. It is the approximate weight of a cube of water 1 millimeter on a side.

The kilogram, or kilogramme, is the base unit of weight in the Metric system. It is the approximate weight of a cube of water 10 centimeters on a side.