is mg milligram
A milligram is a unit of mass in the Metric System. The symbol for milligram is mg. The base unit for a milligram is gram and the prefix is milli. The prefix milli is derived from the Latin mille meaning one thousand and is symbolized as m in the Metric System. Milli denotes a factor of one thousandth (1/1000th) which means that there are 1,000 milligrams in a gram.