Square Mile to Hectare Conversion (Convert mi^{2} to ha)
To convert from square mile to hectare (mi^{2} to ha), please enter value for square mile in from input box. You can also convert from hectare to square mile (ha to mi^{2})
Square Mile To Hectare Conversion Chart
Square Mile (mi^{2})  Hectare (ha) 

1 mi^{2}  259 ha 
10 mi^{2}  2590 ha 
20 mi^{2}  5180 ha 
50 mi^{2}  12950 ha 
100 mi^{2}  25900 ha 
500 mi^{2}  129500 ha 
1000 mi^{2}  259000 ha 
2000 mi^{2}  518000 ha 
5000 mi^{2}  1295000 ha 
Convert from square mile to hectare formula
Total hectare =  Total square mile x 259 
For example, if you want to convert 40 Square Mile to Hectare then,
40 mi^{2} = 40 x 259 = 10360 ha
Convert from hectare to square mile formula
Total square mile = 

 = 40 mi^{2} 
Square Mile
The mile (symbol: mi^{2}) is an imperial and US unit of measure for an area equal to the area of a square with a side length of one statute mile. Land area measurements are originally recorded as whole square meters. Square meters are converted to square kilometers by dividing by 1,000,000; square kilometers are converted to square miles by dividing by 2.58999; square meters are converted to square miles by dividing by 2,589,988.
Hectare
A hectare is a unit of measurement of area. It is equal to 10,000 square metres, or a square with sides of 100 by 100 metres. 100 hectares is 1 square kilometre. Therefore, a farm with 200 hectares of fields has 2 square kilometres of fields.