Convert from t'sun to polegada [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 (polegada [Portuguese])
The polegada is a Portuguese "inch" unit, equal to 1/12 pé, 2.777 centimeters, or 1.093 inches.