Jin is the pinyin romanization. In the Wade-Giles romanization it is chin. Also romanized as kin and tsin. The traditional character is 觔. Among Europeans this unit was often referred to as a catty.
In China, since 1959, a unit of mass in the market system (shì zhì), 1 shìjīn 市斤 = 500 grams.
United Nations, 1966.
The gong jin, a unit of mass in the standardized metric system (gong zhì) = 1 kilogram, and the gong dan = 100 kilograms.
As a treaty measure, 1¹/₃ pounds avoirdupois.
A 1936 survey found 36 different values in use, ranging from 0.3 to 2.5 kilograms.²
2. Witold Kuta, page 284.
|Dynasty||Dates||Value of jin
|Huang-ti||After 2697 bce||—|
|Former Han||205 bc– 8 ce||258.24|
|Hsin Mang||9 ce – 24||222.73|
|Later Han||25 ce – 220||222.73|
|Liang & Chen||502–588||222.73|
|Later Wei & West Wei||386–557||222.73|
|Later Wei & East Wei||495–550||—|
Data from Wu Ch'eng-lo.
Chung-kuo tu liang heng shih (History of Chinese Weights and Measures).
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Last revised: 8 August 2005.