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The principal unit of land measure is 甲 ( Taiwanese Hokkien: kah, Hakka: kap, Mandarin: jiǎ). The unit is derived from the obsolete Dutch morgen, which was introduced during Taiwan's Dutch era. In the later era Kingdom of Tungning, 犁 ( Taiwanese Hokkien: lê, Hakka: lài, Mandarin: lí) is defined to represent the area that could be farmed ...
The Government of the People's Republic of China continued using the market system along with metric system, as decreed by the State Council of the People's Republic of China on 25 June 1959, but 1 catty being 500 grams, would become divided into 10 (new) taels, instead of 16 (old) taels, to be converted from province to province, while ...
In China, there were many different weighting standards of tael depending on the region or type of trade. In general the silver tael weighed around 40 grams (1.3 ozt). The most common government measure was the Kuping (庫平; kùpíng; 'treasury standard') tael, weighing 37.5 grams (1.21 ozt
A pennyweight ( dwt) is a unit of mass equal to 24 grains, 20 of a troy ounce, 240 of a troy pound, approximately 0.054857 avoirdupois ounce [ 1] and exactly 1.55517384 grams. [ 2] It is abbreviated dwt, d standing for denarius – (an ancient Roman coin), and later used as the symbol of an old British penny (see £sd ).
Such scales are used to make the most accurate of fine measurements, such as in the needs of empirical chemistry. Avoirdupois ( / ˌævərdəˈpɔɪz, ˌævwɑːrdjuːˈpwɑː /; [ 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 ...
Under the rule of Augustus (27 BC – 14 AD) its weight fell to 3.9 grams (a theoretical weight of 1 ⁄ 84 of a Roman pound). It remained at nearly this weight until the time of Nero (AD 37–68), when it was reduced to 1 ⁄ 96 of a pound, or 3.4 grams. Debasement of the coin's silver content continued after Nero.
In the apothecaries' system, which was widely used in the United States until the middle of the 20th century, [15] the dram is the mass of 1 ⁄ 96 pounds apothecaries (lb ap), or 1 ⁄ 8 ounces apothecaries (oz ap or ℥) [5]: C-7 (the pound apothecaries and ounce apothecaries are equal to the troy pound (lb t), and troy ounce (oz t ...
Modern estimates of the libra range from 322 to 329 g (11.4 to 11.6 oz) with 5076 grains or 328.9 g (11.60 oz) an accepted figure. [ 3 ] [ 15 ] [ 17 ] The as was reduced from 12 ounces to 2 after the First Punic War , to 1 during the Second Punic War , and to half an ounce by the 131 BC Lex Papiria .