Square Miles to Hectares Converter
Instantly convert Square Miles (mi²) to Hectares (ha). Free online converter with formula and table.
1 Square Mile = 258.9988 hectares
1 Hectare = 0.0038610216 square miles
Square Miles to Hectares Conversion Table
| Square Miles (mi²) | Hectares (ha) |
|---|---|
| 1 | 258.9988 |
| 2 | 517.9976 |
| 3 | 776.9964 |
| 4 | 1,036 |
| 5 | 1,294.99 |
| 10 | 2,589.99 |
| 15 | 3,884.98 |
| 20 | 5,179.98 |
| 25 | 6,474.97 |
| 50 | 12,949.94 |
| 100 | 25,899.88 |
| 500 | 129,499.41 |
| 1,000 | 258,998.81 |
How to Convert Square Miles to Hectares
ha = mi² × 258.9988Example
Convert 10 square miles to hectares:
10 mi² × 258.9988 = 2,589.99 haPopular Square Mile to Hectare Conversions
About These Units
Frequently Asked Questions
How many Hectares are in a Square Mile?
There are 258.9988 Hectares in one Square Mile.
How do I convert Square Miles to Hectares?
To convert Square Miles to Hectares, multiply the value in Square Miles by 258.9988. For example, 10 Square Miles = 10 × 258.9988 = 2,589.99 Hectares.
What is the formula to convert Square Miles to Hectares?
The formula is: Hectares (ha) = Square Miles (mi²) × 258.9988
How do I convert Hectares back to Square Miles?
To convert Hectares to Square Miles, multiply by 0.0038610216 (or divide by 258.9988).