How it works
km² = mi² ÷ 0.386102158542.
Enter a value in square miles to get its equivalent in square kilometers. Use the inverse button to switch conversion direction.
1 mi² = 2.59 km²
km² = mi² ÷ 0.386102158542.
The result expresses the value entered in square miles as square kilometers. These are area units. Do not apply the kilometers-to-miles length factor directly to a surface.
Last verified:
km² = mi² ÷ 0.386102158542.