Convert from sitio to caballeria [Central America]

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 (caballeria [Central America])
The caballeria [Central America] is a traditional unit of land area. In Central America it equals 60 manzanas, which is roughly 45 hectares (110 acres).