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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 pound-force is the product of one avoirdupois pound (exactly 0.45359237 kg) and the standard acceleration due to gravity, approximately 32.174049 ft/s 2 (9.80665 m/s 2). [ 5 ] [ 6 ] [ 7 ] The standard values of acceleration of the standard gravitational field ( g n ) and the international avoirdupois pound (lb) result in a pound-force equal ...
One libra (lit. "pound") was equal to 0.460 246 34 kg as it was legally defined. [1] Some other units and legal equivalents are given below: 1 tomin = 1 ⁄ 768 libra 1 adarme = 1 ⁄ 256 libra 1 ochava ("eighth") = 1 ⁄ 128 libra 1 onza ("ounce") = 1 ⁄ 16 libra 1 arroba = 25 libras 1 quintal ("hundredweight") = 100 libras 1 terco = 160 ...
In France it used to be defined as 100 livres (pounds), about 48.95 kg (108 lb), and has been redefined as 100 kg (mesures usuelles), thus called metric quintal with symbol qq. In Spain , the quintal is still defined as 100 libras , or about 46 kg (101 lb), but the metric quintal is also defined as 100 kg; [ 3 ] In Portugal a quintal is 128 ...
Kilogram' means 'one thousand grams' [2] and is colloquially abbreviated to kilo. [ 3 ] The kilogram is an SI base unit , defined ultimately in terms of three defining constants of the SI, namely a specific transition frequency of the caesium-133 atom, the speed of light , and the Planck constant .
Several units were used to measure mass. One libra is equal to 0.460093 kg. Some other units are given below: [1] [4] 1 grano = 1 ⁄ 9216 libra; 1 adarme = 1 ⁄ 256 libra; 1 sastellano = 1 ⁄ 100 libra; 1 onza = 1 ⁄ 16 libra; 1 arroba = 25 libra; 1 quintal = 100 libra
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A number of units were used to measure mass. As in the 1920s too, some units were derived from the metric system. One libra was equal to 0.500 kg (i.e. 500 g) (or 0.54354 kg [4]). Some other units are provided below: [1] [2] 1 onza = 1 ⁄ 16 libra 1 arroba = 25 libra 1 quintal = 100 libra 1 saco = 125 libra 1 carga = 250 libra 1 tonelada ...