Convert Hectares to Square Miles
1 hectare = 0.003861022 square miles. Type any value below to convert in either direction — the calculation happens in your browser.
Hectares to Square Miles formula
Multiply the number of hectares by 0.003861022 to get square miles.
square miles = hectares × 0.003861022
To go the other way: divide the number of square miles by 0.003861022, or multiply by 258.998811.
hectares = square miles ÷ 0.003861022
Hectares to Square Miles conversion table
| Hectares | Square Miles |
|---|---|
| 1 ha | 0.003861022 mi² |
| 2 ha | 0.007722043 mi² |
| 3 ha | 0.01158306 mi² |
| 4 ha | 0.01544409 mi² |
| 5 ha | 0.01930511 mi² |
| 6 ha | 0.02316613 mi² |
| 7 ha | 0.02702715 mi² |
| 8 ha | 0.03088817 mi² |
| 9 ha | 0.03474919 mi² |
| 10 ha | 0.03861022 mi² |
| 15 ha | 0.05791532 mi² |
| 20 ha | 0.07722043 mi² |
| 25 ha | 0.09652554 mi² |
| 30 ha | 0.1158306 mi² |
| 40 ha | 0.1544409 mi² |
| 50 ha | 0.1930511 mi² |
| 75 ha | 0.2895766 mi² |
| 100 ha | 0.3861022 mi² |
| 250 ha | 0.9652554 mi² |
| 500 ha | 1.930511 mi² |
| 1,000 ha | 3.861022 mi² |
Square Miles to Hectares conversion table
| Square Miles | Hectares |
|---|---|
| 1 mi² | 258.998811 ha |
| 2 mi² | 517.997622 ha |
| 3 mi² | 776.996433 ha |
| 4 mi² | 1,035.995 ha |
| 5 mi² | 1,294.994 ha |
| 6 mi² | 1,553.993 ha |
| 7 mi² | 1,812.992 ha |
| 8 mi² | 2,071.99 ha |
| 9 mi² | 2,330.989 ha |
| 10 mi² | 2,589.988 ha |
About the hectare
A hectare is 10,000 square metres, the metric unit for agricultural land, equal to about 2.47 acres.
About the square mile
A square mile is about 2.59 square kilometres and is used for US counties, states and land surveys.
Frequently asked questions
How many square miles are in a hectare?
There are 0.003861022 square miles in one hectare.
How many hectares are in a square mile?
There are 258.998811 hectares in one square mile.
Is this conversion exact?
The ratio between the hectare and the square mile is fixed by definition, so the conversion is exact — the figures shown here are rounded for readability only.
What is 10 hectares in square miles?
10 hectares equals 0.03861022 square miles.
Related area conversions
- Square Meters to Square Miles
- Square Kilometers to Square Miles
- Square Centimeters to Square Miles
- Square Yards to Square Miles
- Square Feet to Square Miles
- Square Inches to Square Miles
- Acres to Square Miles
- Hectares to Square Meters
- Hectares to Square Kilometers
- Hectares to Square Centimeters
- Hectares to Square Yards
- Hectares to Square Feet
- Hectares to Square Inches
- Hectares to Acres