Convert from square foot to manzana [Costa Rican]

Unit Definition (square foot)
The square foot is a traditional unit of area. 1 ft² equals 144 in² or exactly 929.0304 cm² (0.092 903 04 m²).

Unit Definition (manzana [Costa Rican])
The manzana is a traditional unit of land area in Central America. The manzana is the area of a square 100 varas on a side; it thus varies according to the length of the vara. The Costa Rican manzana equals 0.698 896 hectares or about 1.727 acres. Very similar units are used in Guatemala, Honduras, and Nicaragua. The word manzana means an apple, but the unit is probably related to manzanar, orchard.