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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 .
Body weight 1888 drop 1892 drop 1913 drop Stone lb kg ft cm ft cm ft cm 14.0: 196: 89 6′5" 196 4'3½" 131 5′1" 155 13.5: 189: 86 6′8" 203 4'5" 135 5′3½"
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.
In 1823, the Dictionary of the Vulgar Tongue said the limit for a "light weight" was 12 stone (168 lb, 76.2 kg) while Sportsman's Slang the same year gave 11 stone (154 lb, 69.9 kg) as the limit. [ 8 ]
The Ardblair Stones is a strength feat, where nine reinforced concrete lifting stones of ascending weight are used. [ 1 ] [ 2 ] The 9 stones weigh 18 kg (40 lb), 32 kg (71 lb), 41 kg (90 lb), 50 kg (110 lb), 75 kg (165 lb), 107 kg (236 lb), 118 kg (260 lb), 135 kg (298 lb) and 152 kg (335 lb) respectively. [ 3 ]
It was built out of 186 stones. The average weight of each stone was almost 1,500 lb (680 kg) (.75 tons). They found that four or five men could use levers to flip stones less than a ton and roll them to transport them. 44 men took 22 days to complete the pyramid, including the carving of the stones.
Related units include the picul, equal to 100 catties, and the tael, which is 1 ⁄ 16 of a catty. A stone is a former unit used in Hong Kong equal to 120 catties and a gwan ( 鈞 ) is 30 catties. Catty or kati is still used in Southeast Asia as a unit of measurement in some contexts especially by the significant Overseas Chinese populations ...
mass which, when subjected to a force of one pound-force, accelerates by 1 ft/sec 2: 14.59 kg Mass pound-mass: lbm EEU mass which, when subjected to a force of one pound-force, accelerates by g ft/sec 2 (32.17 ft/sec 2) 0.4536 kg Power horsepower: hp EEU Power required to raise 550 lb at the rate of 1 ft/s against gravity 745.7 W Energy