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Hong Kong has three main systems of units of measurement in current use: The Chinese units of measurement of the Qing Empire (no longer in widespread use in mainland China); [citation needed] British Imperial units; and; The metric system. In 1976 the Hong Kong Government started the conversion to the metric system, and
The Hong Kong SAR continues to use its traditional units, now legally defined based on a local equation with metric units. For instance, the Hong Kong catty is precisely 604.789 82 g. Note: The names lí (釐 or 厘) and fēn (分) for small units are the same for length, area, and mass; however, they refer to different kinds of measurements.
Related units include the picul, equal to 100 catties, and the tael, which is 1 ⁄ 16 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 Southeast Asia as a unit of measurement in some contexts especially by the significant Overseas Chinese populations ...
The tael is a legal weight measure in Hong Kong, and is still in active use. [2] In Hong Kong, one tael is 37.799364167 g, [ 2 ] and in ordinance 22 of 1884 is 1 + 1 ⁄ 3 oz. avoir. Similar to Hong Kong, in Singapore, one tael is defined as 1 + 1 ⁄ 3 ounce and is approximated as 37.7994 g [ 3 ]
A Dictionary of Units of Measurement; Old units of measure; Measures from Antiquity and the Bible Antiquity and the Bible at the Wayback Machine (archived May 10, 2008) Reasonover's Land Measures A Reference to Spanish and French land measures (and their English equivalents with conversion tables) used in North America; The Unified Code for ...
Conversion of units is the conversion of the unit of measurement in which a quantity is expressed, typically through a multiplicative conversion factor that changes the unit without changing the quantity. This is also often loosely taken to include replacement of a quantity with a corresponding quantity that describes the same physical property.
In mainland China, since 1984, the chi has been defined as exactly 1/3 of a metre, i.e., 33 + 1 ⁄ 3 cm (13.1 in). However, in Hong Kong the corresponding unit, pronounced tsek (cek3) in Cantonese, is defined as exactly 0.371475 m (1 ft 2.6250 in) or 1 7/32 ft. [2] The two units are sometimes referred to in English as "Chinese foot" and "Hong Kong foot".
Hong Kong: Imperial, Chinese: Metric is the legislated dominant system of measurement, however Chinese units and imperial units are still legal under Weights and Measures Ordinance. The usage of Chinese units or imperial units are still common on fresh food sales (e.g. wet markets), and real estates still use square foot as area measurement ...