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The stone or stone weight (abbreviation: st.) [1] is an English and British imperial unit of mass equal to 14 avoirdupois pounds (6.35 kg). [ nb 1 ] The stone continues in customary use in the United Kingdom and Ireland for body weight .
|weight=238 pounds (119 kilograms) → 238 lb (119 kg) |weight=17 stone (229 pounds; 119 kilograms) → 17 st (229 lb; 119 kg) Does not replace numeric output of conversion templates such as {{ convert }} , but does replace unit names with abbreviations (examples intentionally show different precision than usual):
Together with the fact that the term "weight" is used for the gravitational force in some technical contexts (physics, engineering) and for mass in others (commerce, law), [10] and that the distinction often does not matter in practice, the coexistence of variants of the FPS system causes confusion over the nature of the unit "pound".
The stone, quarter, hundredweight, and ton were larger units of mass used in Britain. Today only the stone continues in customary use for measuring personal body weight. The present stone is 14 pounds (~6.35 kg), but an earlier unit appears to have been 16 pounds (~7.25 kg). The other units were multiples of 2, 8, and 160 times the stone, or 28 ...
Human body weight is a person's mass or weight. Strictly speaking, body weight is the measurement of mass without items located on the person. Practically though, body weight may be measured with clothes on, but without shoes or heavy accessories such as mobile phones and wallets, and using manual or digital weighing scales .
The pound or pound-mass is a unit of mass used in both the British imperial and United States customary systems of measurement.Various definitions have been used; the most common today is the international avoirdupois pound, which is legally defined as exactly 0.453 592 37 kilograms, and which is divided into 16 avoirdupois ounces. [1]
The long or imperial hundredweight of 8 stone or 112 pounds (50.80 kg) is defined in the British imperial system. [ 2 ] Under both conventions, there are 20 hundredweight in a ton , producing a " short ton " of 2,000 pounds (907.2 kg) and a " long ton " of 2,240 pounds (1,016 kg).
K. "Mass" and "Weight" [See Section K. NOTE] The mass of an object is a measure of the object’s inertial property, or the amount of matter it contains. The weight of an object is a measure of the force exerted on the object by gravity, or the force needed to support it.