Convert hectares to square miles
Enter a hectares value below and convert to square miles
ha
1 hectare ≈
0.00386 square miles
* rounded result
Select how many decimal places the result will be rounded to:
How to convert hectares to square miles
To convert hectares to square miles, divide a hectares value by 258.9988110336.
Formula mi² = ha / 258.9988110336
Example: Convert 1000 hectares to square miles Calculations: 1000 ha / 258.9988110336 ≈ 3.861 mi²
Hectare (ha)
The hectare is a unit of area in the metric system, defined as the area of a square with sides of 100 meters. It is equal to about 2.4711 acres.
Square mile (mi²)
The square mile is the imperial system's unit of area, defined as the area of a square with sides of 1 mile. It is equal to about 2.59 square kilometers.