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 SI prefix micro represents a factor of 10 -6, or in exponential notation, 1E-6. So 1 microgram = 10 -6 grams-force. The SI prefix milli represents a factor of 10 -3, or in exponential notation, 1E-3. So 1 milligram = 10 -3 grams-force.