What is a hundredweight?
A hundredweight, abbreviated as cwt, is a unit of weight commonly used in the imperial system of measurement.
There are two variations on hundredweights; the long hundredweight primarily used in the United Kingdom and the short hundredweight used in the United States.
In the imperial system, a long hundredweight is equal to 112 pounds or approximately 50.8 kilograms. The term "hundredweight" is derived from the fact that it originally represented the weight of 100 pounds of a particular commodity.
The short hundredweight is equal to 100 pounds or 45.35 kilograms.
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.