ConvertNavi

Square mile to Hectare (mi² → ha)

Convert square mile to hectare instantly. The conversion factor below is exact by international definition.

Realtime·area·imperial
Exact
mi²
× 258.9988
ha
258.9988
Precision [auto]
6

📐mi² to ha formulaExact

ha = mi² × 258.9988110336
Inverse: mi² = ha × 0.003861021585

Worked example: 1 mi² = 258.9988110336 ha

ℹ️About these units

Square mile (mi²)
Hectare (ha)
Land area in most of the world.

📊Reference table: mi² → ha

Square mile (mi²)Hectare (ha)
1258.9988
2517.9976
51,294.99
102,589.99
153,884.98
205,179.98
256,474.97
5012,949.94
10025,899.88
25064,749.7
500129,499.41
750194,249.11
1,000258,998.81

Want a downloadable CSV? Append ?format=csv to the API /api/v1/table endpoint.

🔁Reverse & related

Reverse: ha → mi²mi² → m²mi² → km²mi² → cm²mi² → mm²mi² → ami² → in²mi² → ft²mi² → yd²

🔌API & widget

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