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The official spelling litre is used in most English-speaking nations; the notable exception is the United States where the spelling liter is preferred. The United States measures weight in pounds (avoirdupois), while recipes in the UK tend to include both imperial and metric measures, following the advice of the Guild of Food Writers. [6]
Crude oil is classified as light, medium, or heavy according to its measured API gravity. Light crude oil has an API gravity higher than 31.1° (i.e., less than 870 kg/m 3) Medium oil has an API gravity between 22.3 and 31.1° (i.e., 870 to 920 kg/m 3) Heavy crude oil has an API gravity below 22.3° (i.e., 920 to 1000 kg/m 3)
50 mg 0.001 764 oz: cash: fēn: 市分: 1 ⁄ 1000: 500 mg 0.017 64 oz: candareen: qián: 市錢: 1 ⁄ 100: 5 g 0.1764 oz mace or Chinese dram: liǎng: 市兩: 1 ⁄ 10: 50 g 1.764 oz tael or Chinese ounce: jīn: 市斤: 1 500 g 1.102 lb catty or Chinese pound formerly 16 liang = 1 jin dàn: 市擔: 100 50 kg 110.2 lb picul or Chinese ...
In some countries, the weight has been rounded to 600 grams (Taiwan, [5] Japan, Korea [6] and Thailand). In mainland China , the catty (more commonly translated as jin within China) has been rounded to 500 grams and is referred to as the market catty ( 市斤 shìjīn ) in order to distinguish it from the kilogram, called the common catty ...
However, apothecaries' weight has now been superseded by the metric system. One important difference is the widespread use in Britain of the stone of 14 pounds (6.350 293 18 kg) for body weight; this unit is not used in the United States, although flour was sold by a barrel of 196 pounds (14 stone) until World War II.
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.
In the United States, the 42 US-gallon size as a unit of measure is largely confined to the oil industry, while different sizes of barrel are used in other industries. Nearly all other countries use the metric system. Thus, the 42 US-gallon oil barrel is a unit of measure rather than a physical container used to transport crude oil.
The avoirdupois weight system is thought to have come into use in England around 1300. [citation needed] It was originally used for weighing wool. In the early 14th century several other specialized weight systems were used, including the weight system of the Hanseatic League with a 16-ounce pound of 7200 grains and an 8-ounce mark.