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  2. Stone (unit) - Wikipedia

    en.wikipedia.org/wiki/Stone_(unit)

    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.

  3. Mass versus weight - Wikipedia

    en.wikipedia.org/wiki/Mass_versus_weight

    When an object's weight (its gravitational force) is expressed in "kilograms", this actually refers to the kilogram-force (kgf or kg-f), also known as the kilopond (kp), which is a non-SI unit of force. All objects on the Earth's surface are subject to a gravitational acceleration of approximately 9.8 m/s 2.

  4. English units - Wikipedia

    en.wikipedia.org/wiki/English_units

    Mercantile stone 12 lb L ≈ 5.6 kg Butcher's stone 8 lb ≈ 3.63 kg Sack 26 st = 364 lb ≈ 165 kg The carat was once specified as four grains in the English-speaking world. Some local units in the English dominion were (re-)defined in simple terms of English units, such as the Indian tola of 180 grains. Tod This was an English weight for wool ...

  5. Imperial and US customary measurement systems - Wikipedia

    en.wikipedia.org/wiki/Imperial_and_US_customary...

    The definition of units of weight above a pound differed between the customary and the imperial system - the imperial system employed the stone of 14 pounds, the hundredweight of 8 stone [Note 6] and the ton of 2240 pounds (20 hundredweight), while the customary system of units did not employ the stone but has a hundredweight of 100 pounds and ...

  6. Hundredweight - Wikipedia

    en.wikipedia.org/wiki/Hundredweight

    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).

  7. Imperial units - Wikipedia

    en.wikipedia.org/wiki/Imperial_units

    50.802 345 44 kg: One imperial hundredweight is equal to eight stone. This is the long hundredweight, 112 pounds, as opposed to the short hundredweight of 100 pounds used in the United States and Canada. [36] ton (t [citation needed]) 2240 1 016.046 9088 kg: Twenty hundredweight equals a ton (as in the US and Canadian [36] systems). The ...

  8. Avoirdupois - Wikipedia

    en.wikipedia.org/wiki/Avoirdupois

    Stones, and every Stone to weigh xiv. l. The third development is a set of 14th-century bronze weights at the Westgate Museum in Winchester, England. The weights are in denominations of 7 pounds (corresponding to a unit known as the clip or wool-clip), 14 pounds (stone), 56 pounds (4 stone) and 91 pounds ( 1 ⁄ 4 sack or woolsack).

  9. List of obsolete units of measurement - Wikipedia

    en.wikipedia.org/wiki/List_of_obsolete_units_of...

    As relevant to this article, it was a unit of mass, being 120 lb (54 kg). Grzywna; Keel – a UK unit of mass for coal, equaling 21,540.19446656 kg (47,488.0000000 lb) [7]: 48 Large sack – a unit of mass equal to 2 (new) sacks; Long ton; Lot; Mark; Munjandie; Oka; Pao; Passeree – a unit of mass equal to about 4.6 kg (10.1412640605 lb ...