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1.0 short cwt (100 lb; 45 kg) long quarter: long qtr long qtr 1.0 long qtr (28 lb; 13 kg) short quarter: short qtr short qtr 1.0 short qtr (25 lb; 11 kg) stone: st st 14 lb used mostly in the British Commonwealth except Canada 1.0 st (14 lb; 6.4 kg) st kg. st kg lb; st lb. st lb kg; pound: lb lb 1.0 lb (0.45 kg) lb kg. lb kg st; lb st. lb st kg ...
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. England and other Germanic-speaking countries of Northern Europe formerly used various standardised "stones ...
118 lb (53.5 kg) in 1860 by London Prize Ring Rules; 110 lb (49.9 kg) and 115 lb (52.2 kg) in 1889; established officially at 9 st (126.0 lb; 57.2 kg) in 1909 by NSC and standardized at 126 lb (57.2 kg) in 1920 by Walker Law
An overview of ranges of mass. To help compare different orders of magnitude, the following lists describe various mass levels between 10 −67 kg and 10 52 kg. The least massive thing listed here is a graviton, and the most massive thing is the observable universe.
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. [4]
Pa = N/m 2 = kg/(m s) J = N m = kg m 2 /s 2; W = J/s = N m/s = kg m 2 /s 3; Furthermore, prior to the revision the SI base unit of electric current, the ampere (A), was defined as the current needed to produce a force of 0.2 μN between 2 parallel wires 1 m apart for every metre of length. Substituting these parameters into Ampère's force law ...
The SI has special names for 22 of these coherent derived units (for example, hertz, the SI unit of measurement of frequency), but the rest merely reflect their derivation: for example, the square metre (m 2), the SI derived unit of area; and the kilogram per cubic metre (kg/m 3 or kg⋅m −3), the SI derived unit of density.
The short ton (abbreviation tn [1]) is a measurement unit equal to 2,000 pounds (907.18 kg). It is commonly used in the United States, where it is known simply as a ton; [1] however, the term is ambiguous, the single word "ton" being variously used for short, long, and metric tons. The various tons are defined as units of mass. [2]