Square Miles to Square Kilometers Converter
Convert square miles (mi²) to square kilometers (km²) instantly
Conversion Formula
1 mi² = 2.59 km²To convert from square miles to square kilometers, multiply the value by 2.59.
Square Miles to Square Kilometers Table
| Square Miles (mi²) | Square Kilometers (km²) |
|---|---|
| 0.1 mi² | 0.259 km² |
| 0.25 mi² | 0.6475 km² |
| 0.5 mi² | 1.295 km² |
| 1 mi² | 2.59 km² |
| 2 mi² | 5.18 km² |
| 3 mi² | 7.77 km² |
| 5 mi² | 12.95 km² |
| 10 mi² | 25.9 km² |
| 15 mi² | 38.85 km² |
| 20 mi² | 51.8 km² |
| 25 mi² | 64.75 km² |
| 50 mi² | 129.5 km² |
| 100 mi² | 259 km² |
| 250 mi² | 647.5 km² |
| 500 mi² | 1,295 km² |
| 1,000 mi² | 2,590 km² |
Frequently Asked Questions
How many square kilometers are in 1 square mile?
There are 2.59 square kilometers in 1 square mile (1 mi² = 2.59 km²).
How do I convert square miles to square kilometers?
To convert square miles to square kilometers, multiply the value in square miles by 2.59. The formula is: km² = mi² × 2.59.
What is 10 square miles in square kilometers?
10 square miles is equal to 25.9 square kilometers (10 mi² = 25.9 km²).
What is 100 square miles in square kilometers?
100 square miles is equal to 259 square kilometers (100 mi² = 259 km²).
How many square miles are in 1 square kilometer?
There are 0.3861 square miles in 1 square kilometer (1 km² = 0.3861 mi²).
About Square Miles and Square Kilometers
The square mile (mi²) and the square kilometer (km²) are both units of area measurement. Converting between square miles and square kilometers is a common task in science, engineering, cooking, and everyday life.
Use our free online converter above to quickly and accurately convert any value from square miles to square kilometers, or check the reference table for common conversions.