It is defined to be one sixteenth of an avoirdupois pound.

The avoirdupois pound was thus defined to be 7,000 barley grains.

In the United Kingdom, 14 avoirdupois pounds equals one stone.

One such standard, the avoirdupois pound, was later fixed officially at exactly 7000 troy grains.

"A troy pound is over half an avoirdupois pound.

Amongst these are the avoirdupois pound and the obsolete tower, merchant's and London pounds.

During the reign of Queen Elizabeth, the avoirdupois pound was redefined as 7,000 troy grains.

The larger avoirdupois pound for goods of commerce might have been based on volume of water which has a higher bulk density than grain.

In 1824, the British Parliament defined the imperial gallon as the volume of ten avoirdupois pounds of water.

There are 7,000 grains per avoirdupois pound in the Imperial and U.S. customary units.

The pound-force is equal to the gravitational force exerted on a mass of one avoirdupois pound on the surface of Earth.

Avoirdupois pounds per cubic inch (lb/cu in)

The avoirdupois pound is legally defined as a measure of mass, but the name pound is also applied to measures of force.

The acceleration of the standard gravitational field (g) and the international avoirdupois pound (lbm) define the pound-force as:

In the US system, the weight is specified in avoirdupois pounds and the sheet count of a paper ream is usually 500 sheets.

In 1958 the United States and countries of the Commonwealth of Nations agreed to define the international avoirdupois pound to be exactly 0.45359237 kilograms.

In 1588 Queen Elizabeth increased the weight of the avoirdupois pound to 7000 grains and added the troy grain to the avoirdupois weight system.

U.S. federal law, which supersedes this handbook, also defines weight, particularly Net Weight, in terms of the avoirdupois pound or mass pound.

From the 14th century until late 16th century, the avoirdupois pound was also known as the wool pound or the avoirdupois wool pound.

In the United States, the avoirdupois pound as a unit of mass has been officially defined in terms of the kilogram since the Mendenhall Order of 1893.

Similarly, the avoirdupois pound, used in both the Imperial system and U.S. customary units, is a unit of mass and its related unit of force is the pound-force.

Similarly, they argue that this theoretical Megalithic pint, if filled with barley dry seeds, weighs on average a number close to 453.59 grams, which is the exact value of the avoirdupois pound.

In both British Imperial and U.S. customary units, there are precisely 7,000 grains per avoirdupois pound, and 5,760 grains per troy pound or apothecaries pound.

Each of these quantities weighs a certain number of pounds (avoirdupois pounds, but there are also troy pounds and apothecary pounds and so on), and Pike carefully gives all the equivalents.

During the Middle Ages, the bushel of wheat was supposed to weigh 64 tower pounds, but when the tower system was abolished in the 16th century, it was described as 56 avoirdupois pounds.