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==Key Stage 4==
===Meaning===
A [[milligram]] ('''mg''') is a [[unit]] of [[mass]] which is 1000,000 times smaller than the [[SI Unit]] for [[mass]], the [[kilogram]].
===About Milligrams===
: A [[milligram]] is shortened to '''mg''' with a lower case m with a lower case g '''mg'''.
: [[Milli]] refers to one thousandth as there are one thousand [[milligram]]s in a [[gram]].
: A [[milligram]] is 10<sup>-6</sup> [[kilogram]]s.