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Title: Catty  
Author: World Heritage Encyclopedia
Language: English
Subject: Chinese units of measurement, Malay units of measurement, Ruyi Jingu Bang, Dian Wei, List of English words of Malay origin
Collection: Chinese Units in Hong Kong, Units of Mass
Publisher: World Heritage Encyclopedia


Chinese name
Vietnamese name
Vietnamese cân
Korean name
Japanese name
Hiragana きん
Malay name
Malay kati
Indonesian name
Indonesian kati

The catty or kati ( in Singaporean English[1]), symbol , is a traditional Chinese unit of mass used across East and Southeast Asia, notably for weighing food and other groceries in some wet markets, street markets, and shops. Related units include the picul, equal to 100 catties, and the tael (also spelled tahil, in Malay / Indonesian), which is 116 of a catty. A stone is a former unit used in Hong Kong equal to 120 catties and a gwan (鈞) is 30 catties. Catty or kati is still used in South East Asia as a unit of measurement in some contexts especially by the significant Overseas Chinese populations of Brunei, Indonesia, Malaysia, and Singapore.

The catty is traditionally equivalent to around 1⅓ pound avoirdupois, formalised as 604.78982 grams in Hong Kong,[2] 604.79 grams in Malaysia[3] and 604.8 grams in Singapore.[4] In some countries, the weight has been rounded to 600 grams (Taiwan[5] and Thailand). In mainland China, the catty has been rounded to 500 grams and is referred to as the market catty (市斤 shìjīn) in order to distinguish it from the "metric catty" (公斤 gōngjīn), or kilogram, and it is subdivided into 10 taels rather than the usual 16.

Fruits sold in catties (斤) in a market in Sanchong, New Taipei, Taiwan.


  1. ^ "Kati" entry at A Dictionary of Singlish and Singapore English.
  2. ^ "Weights and Measures Ordinance". The Law of Hong Kong. 
  3. ^ "Weights and Measures Act 1972". Laws of Malaysia. 
  4. ^ "Weights and Measures Act". 
  5. ^ Weights and Measures in Use in Taiwan from the Republic of China Yearbook – Taiwan 2001.

See also

Tea priced by the catty in Dadaocheng, Taipei, Taiwan.
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