Hectares to Square miles Converter
Convert hectare to square mile instantly. Type a value below — the result updates as you type.
When you need to convert hectare to square mile
Area conversions are essential when buying land, ordering flooring, turf or paint, or comparing property listings that quote space in different units across regions.
Typical values: 0.5 ha is about 0.0019 mi², and 100 ha works out to roughly 0.3861 mi². Because the ratio is fixed at 0.0039, you can scale any amount linearly — doubling the hectares doubles the square miles.
Estate agents, builders and gardeners each favour different area units, so a quick conversion keeps quotes and material orders consistent.
How to convert hectare to square mile
One hectare equals 0.0039 square miles. To convert, multiply the number of hectares by 0.0039:
square miles = hectares × 0.0039
For example, 10 hectares × 0.0039 = 0.0386 square miles.
Hectares to square miles conversion table
| Area (ha) | Square miles (mi²) |
|---|---|
| 1 ha | 0.0039 mi² |
| 2 ha | 0.0077 mi² |
| 3 ha | 0.0116 mi² |
| 5 ha | 0.0193 mi² |
| 10 ha | 0.0386 mi² |
| 20 ha | 0.0772 mi² |
| 50 ha | 0.1931 mi² |
| 100 ha | 0.3861 mi² |
FAQ
How many square miles are in a hectare?
One hectare = 0.0039 square miles.
How do I convert square miles back to hectares?
Divide by 0.0039, or use the square miles to hectares converter.