Videolb.

Learn how to correctly use the abbreviation lb. in everyday English. This lesson explains that lb. stands for the pound, a common unit of weight in the United States and the United Kingdom, and shows you how to apply it to grocery shopping, recipes, and body measurements. We cover important grammar rules, such as why the abbreviation does not change in its plural form, and clarify the difference between weight measurements and currency symbols. Watch this lesson to master this essential measurement term.

lb.
A bag of flour weighs exactly 5 lb.