What is a microgram?
A microgram is a unit of mass in the metric system that is equal to one millionth of a gram. It is commonly used to measure very small amounts of substances, such as medications, vitamins, or pollutants. The symbol for microgram is μg. To put it into perspective, a single grain of table salt typically weighs around 58,500 micrograms.
What is a short hundredweight?
A short hundredweight, also known as a cental, is a unit of weight commonly used in the United States and Canada.
It is equivalent to 100 pounds or approximately 45.36 kilograms.
The term "short" is used to distinguish it from the long hundredweight, which is used in the United Kingdom and equals 112 pounds.
