What is microgram?
A microgram is a metric unit of mass equal to one millionth of a gram. It is used in analytical chemistry, toxicology, pharmacology, and measuring trace amounts of substances in laboratory settings.
What is pound?
A pound is a unit of mass in imperial and US customary systems equal to 16 ounces. It is widely used in the United States for body weight, grocery shopping, and general weight measurement.