How to convert square kilometers to square miles
Multiply the value in square kilometers by 0.3861021585 (or divide by 2.58998811) to get square miles.
1 km² = 0.3861021585 mi²
Example
To convert 10 square kilometers to square miles: 10 × 0.3861021585 = 3.861021585 mi².
km² to mi² conversion chart
| Square kilometers (km²) | Square miles (mi²) |
|---|---|
| 0.1 km² | 0.03861021585 mi² |
| 0.25 km² | 0.09652553964 mi² |
| 0.5 km² | 0.1930510793 mi² |
| 1 km² | 0.3861021585 mi² |
| 2 km² | 0.7722043171 mi² |
| 3 km² | 1.158306476 mi² |
| 4 km² | 1.544408634 mi² |
| 5 km² | 1.930510793 mi² |
| 6 km² | 2.316612951 mi² |
| 7 km² | 2.70271511 mi² |
| 8 km² | 3.088817268 mi² |
| 9 km² | 3.474919427 mi² |
| 10 km² | 3.861021585 mi² |
| 12 km² | 4.633225903 mi² |
| 15 km² | 5.791532378 mi² |
| 20 km² | 7.722043171 mi² |
| 25 km² | 9.652553964 mi² |
| 30 km² | 11.58306476 mi² |
| 40 km² | 15.44408634 mi² |
| 50 km² | 19.30510793 mi² |
| 75 km² | 28.95766189 mi² |
| 100 km² | 38.61021585 mi² |
| 250 km² | 96.52553964 mi² |
| 500 km² | 193.0510793 mi² |
| 1,000 km² | 386.1021585 mi² |
About the units
Square kilometer (km²)
A square kilometer is 1,000,000 m² or 100 hectares, used for cities and countries.
Square mile (mi²)
A square mile is 640 acres, about 2.59 km².
Related conversions
Square miles to square kilometers · Square meters to square miles · Square feet to square miles · Square yards to square miles · Acres to square miles · Hectares to square miles · Square kilometers to square meters · Square kilometers to square feet · Square kilometers to square yards · Square kilometers to acres · Square kilometers to hectares · All area units