Use the calculator above to convert Square Miles (mi²) to Hectares (ha) instantly, or check the reference table and answers below. 1 Square Mile equals 258.999000 ha.
To convert Square Miles to Hectares, multiply the Square Miles value by 258.999. To go the other way, divide by 258.999 instead.
How many Hectares are in 1 Square Mile?
1 Square Mile (mi²) equals 258.999000 ha.
How many Hectares are in 10 Square Miles?
10 Square Miles (mi²) equals 2589.990000 ha.
Symbol: mi²
A square mile (mi²) is an imperial unit of area, commonly used for large land areas like cities, counties, and countries in the US.
Symbol: ha
A hectare (ha) is a metric unit of area equal to 10,000 square meters, commonly used for land, farms, and forests.
| Square Miles [mi²] | Hectares [ha] |
|---|---|
| 0.01 mi² | 2.589990 ha |
| 0.1 mi² | 25.899900 ha |
| 1 mi² | 258.999000 ha |
| 2 mi² | 517.998000 ha |
| 3 mi² | 776.997000 ha |
| 5 mi² | 1294.995000 ha |
| 10 mi² | 2589.990000 ha |
| 20 mi² | 5179.980000 ha |
| 50 mi² | 12949.950000 ha |
| 100 mi² | 25899.900000 ha |
| 1000 mi² | 258999.000000 ha |