square mile to square kilometre
Live square mile (mi²) to square kilometre (km²) converter. Plus a 10-value reference table and FAQs.
Conversion table
Ten sample values from square mile to square kilometre. Use the converter above for arbitrary values.
| square mile (mi²) | → | square kilometre (km²) |
|---|---|---|
| 0.001 mi² | → | 0.00259 km² |
| 0.01 mi² | → | 0.0259 km² |
| 0.1 mi² | → | 0.258999 km² |
| 0.5 mi² | → | 1.294994 km² |
| 1 mi² | → | 2.589988 km² |
| 2 mi² | → | 5.179976 km² |
| 5 mi² | → | 12.949941 km² |
| 10 mi² | → | 25.899881 km² |
| 100 mi² | → | 258.998811 km² |
| 1,000 mi² | → | 2,589.98811 km² |
About the square mile
640 acres. US county/area units.
About the square kilometre
100 hectares or 1,000,000 m². Country/city size.
Frequently asked questions
Frequently Asked Questions
How do I convert square mile to square kilometre?
Multiply the square mile value by 2.589988 to get it in square kilometre. For example, 10 mi² = 25.8999 km².
What is 1 mi² in km²?
1 mi² = 2.589988 km².
What is 100 mi² in km²?
100 mi² = 258.9988 km².
What is the formula?
Linear: multiply by 2.589988 (the unit factor ratio).
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