Dou (volume)
Dou, called to in Japan, du in Korea, and đấu in Vietnam and sometimes translated as a scoop or ladle, is a traditional unit of volume in East Asia. It originated in China and later spread to other places. One dou equals 10 sheng or 1/10 dan, now officially 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
| Pinyin | Character | Relative value | Metric value | US value | Imperial value | Notes |
| cuō | 撮 | 1 mL | 0.0338 fl oz | 0.0352 fl oz | millilitre | |
| sháo | 勺 | 10 mL | 0.3381 fl oz | 0.3520 fl oz | centilitre | |
| gě | 合 | 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 |