The term comes from the Latin term libra which means balance or weight. The correct abbreviation is LB and the term LBS is a common mistake. The original weight of the lbs was 12 ounces which was later moved up to 16 ounces to match the current standard.
It is a part of the English Imperial System. It is used the most in the US and many other countries have changed to the British Metric System.
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It is a part of the English Imperial System and is equal to 16 ounces of weight. It is used to measure many objects particularly those that fall between the light and medium weight category. Very large weight is generally measured in tons.
The system is in place in a number of countries in the world. There are a number of variations in the pound though in different fields and these include troy pound, merchant’s pound, the wool pound, tower pound and the London pound.
It is also used as a measure of force where torque is calculated in foot pounds. It should not be mixed up with the British currency Pound Sterling.
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