What is a milligram?
A milligram is a unit of mass in the metric system, equal to one thousandth of a gram. It is commonly used to measure very small amounts of substances, such as medications or chemicals. For reference, a single grain of sand typically weighs around 50 milligrams.
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.