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A number of units were used to measure mass. One oke was equal to 1.248 kg, according to the metric equivalences defined in 1891. [1] [2] Some other units according to the metric equivalences defined in 1891 are given below: [1] [2] 1 kirat = 1 ⁄ 6400 oke 1 dirhem = 1 ⁄ 400 oke 1 miskal = 8 ⁄ 800 oke 1 okieh = 0.03 oke 1 rotoli = 0.36 oke ...
Metric units are units based on the metre, gram or second and decimal (power of ten) multiples or sub-multiples of these. According to Schadow and McDonald, [1] metric units, in general, are those units "defined 'in the spirit' of the metric system, that emerged in late 18th century France and was rapidly adopted by scientists and engineers.
Egyptian units of length are attested from the Early Dynastic Period.Although it dates to the 5th dynasty, the Palermo stone recorded the level of the Nile River during the reign of the Early Dynastic pharaoh Djer, when the height of the Nile was recorded as 6 cubits and 1 palm [1] (about 3.217 m or 10 ft 6.7 in).
From the Middle Kingdom date deben weight units used for particular metals, referred to as copper deben and gold deben, the former being about twice as heavy (27 g (0.95 oz; 0.87 ozt)) as the latter. Such weights from the Middle Kingdom were discovered at Lisht , using gold deben, [ 6 ] and copper deben.
An Attic weight talent was about 25.8 kilograms (57 lb). Friedrich Hultsch estimated a weight of 26.2 kg, [25] and Dewald (1998) offers an estimate of 26.0 kg. [26] An Attic talent of silver was the value of nine man-years of skilled work, according to known wage rates from 377 BC. [27]
An SI derived unit is a named combination of base units such as hertz (cycles per second), newton (kg⋅m/s 2), and tesla (1 kg⋅s −2 ⋅A −1) and in the case of Celsius a shifted scale from Kelvin. Certain units have been officially accepted for use with the SI.
A weight (also known as a mass) is an object, normally with high density, whose chief task is to have mass and exert weight (through gravity). It is used for different purposes, such as in: It is used for different purposes, such as in:
It corresponds to the historical unit ounce and was defined in Iraq as one twelfth of a ratl [1] or in parts of Egypt as one eighth of a ratl. [2] As the ratl varied so did the uqiyyah as its part. Egypt: 37g; Aleppo: 320g; Beirut: 213.39g; Jerusalem: 240g; Malta: ~26.46 g