Convert from sitio to ping

Unit Definition (sitio)
The sitio is a name used traditionally in Mexico and the southwestern U.S. for the square legua, a unit of area equal to 25 million square varas or about 1800 hectares. The word means "place".

Unit Definition (ping)
The ping is a traditional unit of area in Taiwan, equal to about 3.305 square meters (3.953 square yards). This is the same unit known in Korea as the pyong.