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 an avoirdupois ounce?
An avoirdupois ounce is a unit of weight in the avoirdupois system, commonly used in the United States and other countries for measuring goods that are typically sold by weight.
It is equal to 1/16 of a pound or approximately 28.35 grams. The avoirdupois system is based on a pound of 16 ounces, with larger units such as tons and pounds used for heavier measurements.