Convert square foot (survey) to acre (international)
Selected category: area.
Definition and details for square foot (survey):
Servey square foot is a unit of area based on the U.S. survey foot, which was defined as 1200/3937 meter. So one survey square foot is about 0,093 m2.
Definition and details for acre (international):
Acre (ac or A) is a unit of area often used to express land. Originally, an acre was understood as a selion of land sized at one furlong (660 ft) long and one chain (66 ft) wide, this may have also been understood as an approximation of the amount of land an ox could plow in one day. International acre equals to 4046.8564224 m2 exactly.