Hectares (ha) to Square miles (mi²) Conversion
Hectares
The hectare is a unit of area equal to exactly 10,000 square metres (100 m × 100 m), the standard unit for measuring agricultural land, forest area, and nature reserves internationally. The word derives from the Greek hekaton (hundred) and the French are (100 m²). One hectare is approximately 2.471 acres, and global food production statistics and deforestation rates are almost universally expressed in hectares.
Square miles
The square mile is a unit of area equal to exactly 2,589,988.110336 square metres (approximately 2.59 km²). It is the standard unit for measuring large land areas, population density, and political jurisdictions in the United States and United Kingdom. One square mile contains exactly 640 acres — the basis of the US Public Land Survey System that structured much of North American land division.
| Hectares (ha) | Square miles (mi²) |
|---|---|
| 0.1 ha | 0.000386 mi² |
| 1 ha | 0.00386 mi² |
| 2 ha | 0.00772 mi² |
| 3 ha | 0.0116 mi² |
| 5 ha | 0.0193 mi² |
| 10 ha | 0.0386 mi² |
| 20 ha | 0.0772 mi² |
| 30 ha | 0.1158 mi² |
| 50 ha | 0.1931 mi² |
| 100 ha | 0.3861 mi² |
| 1000 ha | 3.861 mi² |
Frequently Asked Questions (FAQ)
How many square miles are in 1 hectares?
1 hectares (ha) is exactly 0.003861 square miles (mi²).
How do I convert hectares to square miles?
Multiply the value in hectares by 0.003861 to get the result in square miles. Or use the converter above — type any number and see the result instantly.