Square Miles to Square Kilometers Converter
1 mi² = 2.58999 km². Type any value — it converts as you type, right in your browser.
=
2.58999 km²
Formula
km² = mi² × 2.58999
Square Miles to Square Kilometers conversion table
| Square Miles (mi²) | Square Kilometers (km²) |
|---|---|
| 0.1 | 0.25899881 |
| 0.5 | 1.29499 |
| 1 | 2.58999 |
| 2 | 5.17998 |
| 5 | 12.9499 |
| 10 | 25.8999 |
| 20 | 51.7998 |
| 50 | 129.5 |
| 100 | 259 |
| 500 | 1,295 |
| 1,000 | 2,590 |
FAQ
How many square kilometers in a square mile?
1 mi² equals 2.58999 km².
How do I convert mi² to km²?
Multiply the square miles value by 2.58999 to get square kilometers.
What is the reverse conversion (km² to mi²)?
1 km² equals 0.38610216 mi². Use our Square Kilometers to Square Miles converter for the other direction.