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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 .
The imperial gallon was originally defined as 10 pounds (4.5359 kg) of water in 1824, and refined as exactly 4.54609 litres in 1985. Traditionally, when describing volumes, recipes commonly give measurements in the following units: Tumbler (10 fluid ounces; [29] [30] named after a typical drinknig glass)
Avoirdupois (/ ˌ æ v ər d ə ˈ p ɔɪ z, ˌ æ v w ɑːr dj uː ˈ p w ɑː /; [1] abbreviated avdp.) [2] is a measurement system of weights that uses pounds and ounces as units. [ 3 ] [ 4 ] It was first commonly used in the 13th century AD and was updated in 1959.
scheepslast – 4,000 Amsterdam pond = 1,976.4 kg (2.1786 short tons; 1.9452 long tons) Meaning literally a "load", a last was essentially the equivalent of 120 cubic feet (3.398 m 3) of shipping space. [2] A last in the Dutch East India Company (VOC) in the 17th century was about the same as 1,250 kg, becoming later as much as 2,000 kg. [3]
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).
As there are many units of mass and volume covering many different magnitudes there are a large number of units for mass density in use. The SI unit of kilogram per cubic metre (kg/m 3) and the cgs unit of gram per cubic centimetre (g/cm 3) are probably the most commonly used units for density. One g/cm 3 is equal to 1000 kg/m 3. One cubic ...
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Inspired by the Avoirdupois system defining 1 cubic foot of water to weigh 1000 ounces of which there are 16 to the pound, Waring suggests a federal pound of half a cubic hand of water, which would be just short of 0.5 kg.