Square kilometers to Square miles – square kilometer to square mile Converter
1 km² ≈ 0.386102 mi²
Formula
mi² = km² × ≈ 0.386102
Square kilometers to square miles conversion table
| square kilometers (km²) | square miles (mi²) |
|---|---|
| 0.25 km² | 0.0965255 mi² |
| 0.5 km² | 0.193051 mi² |
| 1 km² | ≈ 0.386102 mi² |
| 2 km² | 0.772204 mi² |
| 5 km² | 1.93051 mi² |
| 10 km² | 3.86102 mi² |
| 20 km² | 7.72204 mi² |
| 50 km² | 19.3051 mi² |
| 100 km² | 38.6102 mi² |
| 200 km² | 77.2204 mi² |
| 500 km² | 193.051 mi² |
| 1000 km² | 386.102 mi² |
| 2500 km² | 965.255 mi² |
| 5000 km² | 1930.51 mi² |
| 10000 km² | 3861.02 mi² |
Square kilometers and square miles are both area units. One square kilometer is approximately 0.386102 square miles; enter any value above for an instant result, or use the table for common conversions.
Sanity-check examples
1 km² = 0.386102 mi²10 km² = 3.86102 mi²2.5 km² = 0.965255 mi²
Common pitfalls and look-alike units
The mu is a Chinese market unit: 1 mu = 666.667 m² (about 666.67), not to be confused with the acre (≈ 4046.86 m²) or the hectare (10000 m² = 15 mu). Confirm which unit a land figure uses before converting.
Frequently asked questions
How many square miles are in a square kilometer?
1 square kilometer (km²) is approximately 0.386102 square mile (mi²).
How do I convert square kilometers to square miles?
Multiply the square kilometer value by ≈ 0.386102 to get square mile — for example, 2 square kilometers = 0.772204 square mile.
How do I convert square miles back to square kilometers?
1 square mile equals 2.589988110336 square kilometer. Use the swap button or the reverse conversion page linked on this page.