Square Miles to Square Kilometers
Convert square miles (mi²) to square kilometers (km²) instantly. See the formula, reference table, and common conversions.
Primary conversion
1 square mile=2.589988square kilometers
1 mi² = 2.589988 km²
Formula
square kilometers = square miles × 2.589988
Multiply the number of square miles by 2.589988 to get the value in square kilometers.
Reference Table
| Square Miles (mi²) | Square Kilometers (km²) |
|---|---|
| 1 | 2.59 |
| 2 | 5.18 |
| 5 | 12.9499 |
| 10 | 25.8999 |
| 25 | 64.7497 |
| 50 | 129.4994 |
| 100 | 258.9988 |
| 250 | 647.497 |
| 500 | 1294.994 |
| 1000 | 2589.988 |
Frequently Asked Questions
How many square kilometers are in 1 square mile?
1 square mile equals 2.589988 square kilometers.
How do you convert square miles to square kilometers?
Multiply the number of square miles by 2.589988 to get the value in square kilometers. For example, 10 mi² = 25.8999 km².
What is the formula for square miles to square kilometers?
square kilometers = square miles × 2.589988.
How do you convert square kilometers back to square miles?
Multiply square kilometers by 0.386102 to get square miles. 1 km² = 0.386102 mi².