239 W Main St, Richmond, KY 40475 1 859 623 1000 info@richmond.ky.us Justice, Education, Industry. The City of Richmond was founded in 1798 by Colonel John Miller, a Revolutionary War soldier. According to tradition, Miller was attracted to the area by the good spring water and friendly Native Americans.
A microgram is a metric unit of mass that is equal to one thousandth of a milligram (mg). In other words, a microgram is one thousand times smaller than a milligram. Micrograms are a million times smaller than grams (g); one gram is equal to one million micrograms. A microgram is one of the smallest units of mass that is used. Many medications are prescribed using micrograms as their unit of measurement.
The number of micrograms in a milliliter of a substance is equal to the density of the substance expressed in micrograms per milliliter. A microgram measures mass, and a milliliter measures volume; they do not convert without the substance's density.