how do you calculate hundredweight cwt 
in north america you simply divide the weight in pounds by 100 so something that is one ton 2 000 pounds would be 20 cwt the hundredweight survives as a standard unit of measurement in the 21st century but only in a number of specific uses it is used to indicate the quantity of some commodities being bought and sold in the marketplace and of some commodity futures being traded in the financial markets it also is used to indicate the quantity of goods being shipped by freight 