Square Miles to Square km Converter
Need to quickly convert between the two main units of large areas? If so, check out our square miles to square km converter!
Result2.59 km²1 mi² converted
1 mi² equals2.59 km²
1 km² equals0.386102 mi²
Square mile to square kilometer reference
| square mile | square kilometer |
|---|---|
| 1 mi² | 2.59 km² |
| 2 mi² | 5.18 km² |
| 5 mi² | 12.9499 km² |
| 10 mi² | 25.8999 km² |
| 25 mi² | 64.7497 km² |
| 50 mi² | 129.4994 km² |
| 100 mi² | 258.9988 km² |
| 500 mi² | 1,294.99 km² |
| 1,000 mi² | 2,589.99 km² |
How to convert square mile to square kilometer
One square mile equals 2.58998811 km², so multiply the number of square miles by 2.58998811:
km² = mi² × 2.58998811
Going the other way
One square kilometer equals 0.3861021585 mi², so to convert back:
mi² = km² × 0.3861021585
Both directions are shown in the results above, and the drop-downs let you convert between any pair of area units — not just these two.