Square miles (mi²) to Hectares (ha) Conversion
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
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 (mi²) | Hectares (ha) |
|---|---|
| 0.1 mi² | 25.89988110336 ha |
| 1 mi² | 258.9988110336 ha |
| 2 mi² | 517.9976220672 ha |
| 3 mi² | 776.9964331008 ha |
| 5 mi² | 1294.994055168 ha |
| 10 mi² | 2589.988110336 ha |
| 20 mi² | 5179.976220672 ha |
| 30 mi² | 7769.964331008 ha |
| 50 mi² | 12949.94055168 ha |
| 100 mi² | 25899.88110336 ha |
| 1000 mi² | 258998.8110336 ha |