Shao (unit)

A shao in China, shaku in Japan and jak in Korea, is a unit of volume measurement in East Asia.
One shao equals 1⁄100 sheng.
It is 10 mL in China, 18.04 mL in Japan and 18 mL in Korea.
Shao' is also a unit of area equal to 0.033 square meters in Japan and Korea.
The Chinese word shao means a spoon, or an amount held by a spoon.

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

Japan

Area

Shao' is also a unit of area equal to 0.033 square meters in Japan.

Korea

The Korean Jak can also be a unit of area, equaling 0.0330579 m2
For more details on volume measurement, please see Sheng (volume)