Square Kilometers to Square Miles
Convert square kilometers to square miles instantly — type a value, get the answer.
Square Miles0.3861mi²
Multiply square kilometers by 0.386102174991 to get square miles. 1 km² = 0.386102174991 mi².
| Square Kilometers (km²) | Square Miles (mi²) |
|---|---|
| 1 km² | 0.3861 mi² |
| 2 km² | 0.7722 mi² |
| 5 km² | 1.9305 mi² |
| 10 km² | 3.861 mi² |
| 25 km² | 9.6526 mi² |
| 50 km² | 19.3051 mi² |
| 100 km² | 38.6102 mi² |
Common square kilometers-to-square miles conversions, rounded to 4 decimals.
How to convert square kilometers to square miles
Multiply the number of square kilometers by 0.386102174991. For example, 10 km² × 0.386102174991 = 3.861 mi². The converter above does this for any value instantly, and the table below lists the conversions people look up most.
Converting square miles back to square kilometers
To go the other way, divide the mi² value by 0.386102174991 — or multiply by 2.59. So 1 mi² ≈ 2.59 km².
Questions
How many square miles are in a square kilometer?
One square kilometer equals 0.386102174991 square miles. Multiply any km² figure by 0.386102174991 to convert it to mi².
How do I convert square miles back to square kilometers?
Divide the mi² value by 0.386102174991, or multiply by 2.59. For example, 5 mi² ≈ 12.9499 km².
What is 10 km² in mi²?
10 km² = 3.861 mi². Type any value into the converter above to see its square miles equivalent.