Cuo (unit)
A Cuo in China or sai in Japan is a unit of volume measurement.
One cuo equals 1⁄1000 sheng.
It is 1 mL in China and 1.804 mL in Japan.
The word cuo means to pick up using one's fingertips, or the small amount of something that can be picked up in this way.
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 |