jin [Chinese.]

Jin is the pinyin romanization. In Wade-Giles it is chin. Also romanized as kin and tsin. The traditional character is . 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. link to a chart showing relationships between Chinese units of mass in the shi zhi system.  

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.

History

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
in grams
Huang-ti After 2697 bce
2254–2204 bce
Hsia 2204–1765 bce
Shang 1765–1121 bce
Chou 1121–220 bce 228.86
Ch'in 349–205 bce 258.24
Former Han 205 bc– 8 ce 258.24
Hsin Mang 9 ce – 24 222.73
Later Han 25 ce – 220 222.73
Wei 220–265 ce 222.73
Western Tsin

 

265–273 ce 222.73
274–316 ce 222.73
Eastern Tsin 317–430 222.73
Former Chao 318–319
Liu–Sung 420–478
South Ch'i 479–501 334.10
Liang & Chen 502–588 222.73
Liang  
Chen 557–588
Later Wei & West Wei 386–557 222.73
Later Wei & East Wei 495–550
North Ch'i 550–557 445.46
North Chou 557–566
North Chou 566–581 250.56
North Chou 577–581 250.56
Sui 581–606 668.19
Sui 607–618 222.73
T'ang 618–906 596.82
Five Dynasties 907–960 596.82
Sung 960–1279 596.82
Yuan 1279–1368 596.82
Ming 1368–1644 596.82
Ch'ing 1644–1911 596.82

Data from Wu Ch'eng-lo.
Chung-kuo tu liang heng shih (History of Chinese Weights and Measures).
Shanghai, 1937.

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