Convert Square Miles to Square Kilometers
Convert square miles (sq mi) to square kilometers (sq km) with our free online converter. Includes formula, conversion table, and common examples.
How It Works
Multiply the square miles value by 2.58999 Example: 1 sq mi = 2.59 sq km
Square Miles to Square Kilometers Table
| Square Miles (sq mi) | Square Kilometers (sq km) |
|---|---|
| 1 sq mi | 2.59 sq km |
| 2 sq mi | 5.18 sq km |
| 3 sq mi | 7.77 sq km |
| 4 sq mi | 10.36 sq km |
| 5 sq mi | 12.9499 sq km |
| 6 sq mi | 15.5399 sq km |
| 7 sq mi | 18.1299 sq km |
| 8 sq mi | 20.7199 sq km |
| 9 sq mi | 23.3099 sq km |
| 10 sq mi | 25.8999 sq km |
| 12 sq mi | 31.0799 sq km |
| 15 sq mi | 38.8498 sq km |
| 20 sq mi | 51.7998 sq km |
| 25 sq mi | 64.7497 sq km |
| 30 sq mi | 77.6997 sq km |
Did You Know?
- One square mile equals about 2.59 square kilometers.
- Manhattan is about 22.8 square miles (59.1 square kilometers).