In Korea, a unit of volume used for lumber, = 100 jae = 12 cubic cheok, about 40.07 cubic decimeters.
Conversionsysaem [sic] for Timber
1 才@·····1寸 × 1寸 × 12尺 ·······(1 Jae·······0.1 Chon × 0.1 Chon × 12 Chok)
1尺[illegible] ····300@····12立方尺 (1 Chokche = 300 Jae = 12 Cubic Chok)
1石·····83@·····100立方尺·····(1 Suk = 83.3 Jae = 10 Cubic Chok)
1立方米······3.5937石······(1 Cubic Meter = 3.5937 Suk)
Bureau of Statistics, Ministry of Home Affairs.
Statistical Yearbook of the Republic of Korea. 1958.
Internal evidence shows something is amiss with the above data. The ratio 300:83.3 is not the ratio 12:10. Moreover, 1/10 chon, about a third of a centimeter, is an improbably small value for a unit similar to the English board foot.
The Korean portion clarifies what happened in the first line. 0.1 chok is a chon. The numeral was changed without also changing the name of the unit, a word processing error before word processors.
The second line appears to contain a typographical error; “300” should be “100”. That change makes the ratios agree and the resulting metric values agree with other sources.
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Last revised: 30 June 2009.