Convert hectare to square mile (survey)
Selected category: area.
Definition and details for hectare:
Hectare (ha) is a unit of area equal to one square hectometer. There are 100 ares in a hectare.
Definition and details for square mile (survey):
Survey square mile is a unit of area based on survey foot. One survey foot is defined as 1200/3937 meter and there are 5280 survey feet in a survey mile. So a square survey mile equals to 27878400 survey feet, or about 2,590 km2.