Hectare to Square mile (ha → mi²)
Convert hectare to square mile instantly. The conversion factor below is exact by international definition.
Realtime·area·metric
Exact
ha
× 0.0039
mi²
0.003861
Precision [auto]
6
📐ha to mi² formulaExact
mi² = ha × 0.003861021585
Inverse: ha = mi² × 258.9988110336
Worked example: 1 ha = 0.003861021585 mi²
ℹ️About these units
Hectare (ha)
Land area in most of the world.
Square mile (mi²)
📊Reference table: ha → mi²
| Hectare (ha) | Square mile (mi²) |
|---|---|
| 1 | 0.003861 |
| 2 | 0.007722 |
| 5 | 0.019305 |
| 10 | 0.03861 |
| 15 | 0.057915 |
| 20 | 0.07722 |
| 25 | 0.096526 |
| 50 | 0.193051 |
| 100 | 0.386102 |
| 250 | 0.965255 |
| 500 | 1.9305 |
| 750 | 2.8958 |
| 1,000 | 3.861 |
Want a downloadable CSV? Append ?format=csv to the API /api/v1/table endpoint.
🔁Reverse & related
🔌API & widget
GET https://convertnavi.com/api/v1/convert?value=10&from=hectare&to=square-mileEmbed this converter
<div data-convertnavi="hectare->square-mile"></div>
<script async src="https://convertnavi.com/embed.js"></script>