Convert square miles (mi²) to hectares (ha) with formulas, examples, and conversion tables.
To convert 1 square miles to hectares, we multiply by 258.999 because one square mile equals exactly 258.999 hectares.
Since each square mile contains 258.999 hectares, we multiply our value by this factor:
So 1 square miles = 258.999 hectares.
To convert square miles to hectares, multiply the value by 258.999.
1 square mile = 258.999 hectares
| Square Miles | Hectares |
|---|---|
| 1 mi² | 258.999 ha |
| 2 mi² | 517.998 ha |
| 5 mi² | 1294.99 ha |
| 10 mi² | 2589.99 ha |
| 20 mi² | 5179.98 ha |
| 25 mi² | 6474.97 ha |
| 50 mi² | 12949.94 ha |
| 100 mi² | 25899.88 ha |
| 250 mi² | 64749.7 ha |
| 500 mi² | 129499.41 ha |
| 1000 mi² | 258998.81 ha |
| Unit | 1 mi² = |
|---|---|
| Square Miles to Square Kilometers | 2.59 km² |
| Square Miles to Hectares | 258.999 ha |
| Square Miles to Square Meters | 2589988.11 m² |
| Square Miles to Square Centimeters | 2.59e+10 cm² |
| Square Miles to Square Millimeters | 2.59e+12 mm² |
| Square Miles to Acres | 639.999 ac |
| Square Miles to Square Yards | 3097601.33 yd² |
| Square Miles to Square Feet | 27878412 ft² |
| Square Miles to Square Inches | 4014489599.48 in² |
| Square Miles to Ares | 25899.88 a |
| Square Miles to Barns | 2.59e+34 b |