Convert from fathom to ch'ih [China]

Unit Definition (fathom)
a linear unit of measurement (equal to 6 feet) for water depth.

Unit Definition (ch'ih [China])
The ch'ih is a unit of distance used in China during the colonial period. The ch'ih equals 10 t'sun, 35.814 centimeters, or 14.1 inches. There are 1800 ch'ih in a li.