Square miles to square kilometers
1 mi² = 2.58999 km²
⇄
square kilometers (km²)
Formula
Multiply the value in mi² by 2.58998811 to get km².
km² = mi² × 2.58998811
Conversion table
| square miles (mi²) | square kilometers (km²) |
|---|---|
| 0.1 | 0.258999 |
| 0.5 | 1.29499 |
| 1 | 2.58999 |
| 2 | 5.17998 |
| 3 | 7.76996 |
| 4 | 10.36 |
| 5 | 12.9499 |
| 6 | 15.5399 |
| 7 | 18.1299 |
| 8 | 20.7199 |
| 9 | 23.3099 |
| 10 | 25.8999 |
| 15 | 38.8498 |
| 20 | 51.7998 |
| 25 | 64.7497 |
| 30 | 77.6996 |
| 40 | 103.6 |
| 50 | 129.499 |
| 75 | 194.249 |
| 100 | 258.999 |
| 250 | 647.497 |
| 500 | 1,294.99 |
| 1,000 | 2,589.99 |
Frequently asked questions
How many km² are in 1 mi²?
1 mi² = 2.58999 km².
How do I convert mi² to km²?
Multiply the value in mi² by 2.58998811 to get km². km² = mi² × 2.58998811
What is 10 mi² in km²?
10 mi² = 25.8999 km².