Square miles to Hectares
1 mi² ≈ 259 ha. Edit either value to convert instantly.
Conversion formula
ha = mi² × (2,589,988.110336) × (0.0001)1 mi² ≈ 258.999 ha
square mile (mi²)
One square mile equals exactly 2,589,988.110336 m².
Source: NIST — Revised Unit Conversion Factors for the international foot
hectare (ha)
One hectare equals exactly 10,000 m².
Source: BIPM SI Brochure, 9th edition — SI prefixes and accepted non-SI units
Conversion table
| mi² | ha |
|---|---|
| ≈ 258.999 | |
| ≈ 517.998 | |
| ≈ 1,294.99 | |
| ≈ 2,589.99 | |
| ≈ 3,884.98 | |
| ≈ 5,179.98 | |
| ≈ 6,474.97 | |
| ≈ 7,769.96 | |
| ≈ 10,360 | |
| ≈ 11,654.9 |
| mi² | ha |
|---|---|
| ≈ 12,949.9 | |
| ≈ 15,539.9 | |
| ≈ 18,129.9 | |
| ≈ 20,719.9 | |
| ≈ 23,309.9 | |
| ≈ 25,899.9 | |
| ≈ 38,849.8 | |
| ≈ 41,439.8 | |
| ≈ 44,029.8 | |
| ≈ 46,619.8 |
Frequently asked questions
How many hectares are in 1 square mile?
1 mi² ≈ 259 ha. ha = mi² × (2,589,988.110336) × (0.0001)
How do I convert mi² to ha?
ha = mi² × (2,589,988.110336) × (0.0001)
Is 1 square mile bigger than 1 hectare?
1 mi² ≈ 259 ha.
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