One pound is comprised of 0.45359237 kilograms. A single pound consists of 453.592 grams. In the same vein, a pound is comprised of 453,592 milligrams.
A microgram is the equivalent of one-millionth of a gram. A pound is equal to 4.536e+8 micrograms. A pound is also comprised of 16 ounces.
The pound is contrasted with other units of measurement as well. In the United Kingdom, and in some other Commonwealth nations, weight is measured in stones. One pound is the equivalent of 0.0714286 stones. The United States considered adopting the metric system for weights and measurements in the mid-1970s, but the plan never won final approval by the Congress and president.