Convert from t'sun to milha [Portuguese]

Unit Definition (t'sun)
The t'sun is a Chinese unit of distance equal to 0.1 ch'ih or about 1.41 inches (3.58 centimeters).

Unit Definition (milha [Portuguese])
The milha is a traditional Portuguese mile, one of the "longest miles" of all at 2282.75 yards (1.297 statute miles or 2087.3 meters).