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Dou (volume)

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Unit of volume

Dou (Chinese: 斗; pinyin: dǒu), called to in Japan and du in Korea, is a unit of volume in East Asia. It originated in China and later spread to Japan, Korean and other places. One dou equals 10 sheng or 1/10 dan, is 10 liters in China, 18.039 liters in Japan and 18 liters in Korea.

Dou is one of the traditional Chinese units of measurement used to measure cereal grains, among other things.

China

Table of Chinese volume units effective since 1930
Pinyin Character Relative value Metric value US value Imperial value Notes
cuō 1⁄1000 1 mL 0.0338 fl oz 0.0352 fl oz millilitre
sháo 1⁄100 10 mL 0.3381 fl oz 0.3520 fl oz centilitre
1⁄10 100 mL 3.381 fl oz 3.520 fl oz decilitre
shēng 市升 1 1 L 2.113 pt 1.760 pt litre
dǒu 市斗 10 10 L 21.13 pt
2.64 gal
17.60 pt
2.20 gal
decalitre
dàn 市石 100 100 L 26.41 gal 22.0 gal hectolitre

Japan

Table of volume units in Japan
Unit Shō Metric US Imperial
Romanized Kanji Exact Approx. Exact Approx. Exact Approx.
Sai 1⁄1000 ⁠2401/1,331,000⁠ L 1.804 mL ⁠37,515,625/15,900,351,812,136⁠ cu yd 29.28 min ⁠240,100/605,084,579⁠ gal 30.47 min
0.1101 cu in
Shaku 1⁄100 ⁠2401/133,100⁠ L 18.04 mL ⁠187,578,125/7,950,175,906,068⁠ cu yd 0.6100 fl oz ⁠2,401,000/605,084,579⁠ gal 0.6349 fl oz
1.101 cu in
1⁄10 ⁠2401/13,310⁠ L 180.4 mL ⁠937,890,625/3,975,087,953,034⁠ cu yd 0.3812 pt ⁠24,010,000/605,084,579⁠ gal 0.3174 pt
0.3276 dry pt
Shō 1 ⁠2401/1331⁠ L 1.804 L ⁠4,689,453,125/1,987,543,976,517⁠ cu yd 1.906 qt ⁠240,100,000/605,084,579⁠ gal 1.587 qt
1.638 dry qt
To 10 ⁠24,010/1331⁠ L 18.04 L ⁠46,894,531,250/1,987,543,976,517⁠ cu yd 4.765 gal ⁠2,401,000,000/605,084,579⁠ gal 3.968 gal
2.048 pk
Koku 100 ⁠240,100/1331⁠ L 180.4 L ⁠468,945,312,500/1,987,543,976,517⁠ cu yd 47.65 gal ⁠24,010,000,000/605,084,579⁠ gal 39.680 gal
5.119 bu
Notes:
  • Approximations are rounded to four significant figures.

Korea

Table of volume units in Korea
Romanization Korean English Equivalents
RR MR[9] Other Doe Other countries Global
Jak Chak 작(勺) 1⁄100 18 mL (0.63 imp fl oz; 0.61 US fl oz)
Hop Hop 1⁄10 Ge 180 mL (6.3 imp fl oz; 6.1 US fl oz)
Doe Toe Doi
Dwe
Korean Peck 1 1.8 L (0.40 imp gal; 0.48 US gal)
Seung Sŭng 승(升)
Mal Mal Korean Bushel 10 18 L (4.0 imp gal; 4.8 US gal)
Du Tu ()
Seom Sŏm Korean Picul 100 Picul 180 L (40 imp gal; 48 US gal)
Seok Sŏk Suk 석(石)
Jeom Chŏm 점(苫)
Sogok Sogok 소곡(小斛) 150 270 L (59 imp gal; 71 US gal)
Pyeongseok P'yŏngsŏk 평석(平石)
Daegok Taegok 대곡(大斛) 200 360 L (79 imp gal; 95 US gal)
Jeonseok Chŏnsŏk 전석(全石)

For more details, please see Sheng (volume)

Words

See also

Notes

  1. The variant figures in Fessley and the UN reports are based on the imperial measuring system.
  2. imp
  3. imp
  4. imp

References

  1. ^ "The Weights and Measures Act (1929)" (in Chinese). Legislative Yuan. Archived from the original on 2014-04-25.
  2. Language Institute, Chinese Academy of Social Sciences (2016). 现代汉语词典 (附錄:計量單位表) [Contemporary Chinese Dictionary (Appendix: Measure units)] (in Chinese) (7th ed.). Beijing: Commercial Press. p. 1790. ISBN 978-7-100-12450-8.
  3. ^ Iwata, Shigeo. "Weights and Measures in Japan"
  4. ^ Kim (2007).
  5. ^ Language Institute 2016, p. 316.
  6. World Weights and Measures: Handbook for Statisticians, ST/STAT/SER. M/21, UN Publication No. 1955.XVII.2, New York, NY: Statistical Office of the United Nations, 1955
  7. Kim, Jun Hee (March 2007), "Taking Measure", Invest Korea Journal, vol. 25, Seoul: Korea Trade–Investment Promotion Agency
  8. Fessley, Susanna (2009), "Weights and Measures in East Asian Studies" (PDF), Albany: State University of New York
  9. ^ Fessley (2009), p. 9.
  10. ^ UN (1955), III-59.
  11. NIKH (2017).
  12. "Glossary of Korean History", Veritable Records of the Joseon Dynasty, Seoul: National Institute of Korean History, 2017
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