Type a value in square miles to convert it to square kilometers instantly. One square mile equals 2.589988 square kilometers.
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How to use the Square miles to Square kilometers Converter
- 1
Enter the value in square miles.
- 2
Read the result in square kilometers; it updates as you type.
- 3
Use the swap button to convert in the other direction.
How to convert square miles to square kilometers
km² = mi² × 2.589988. For example, 10 mi² = 25.899881 km².
Frequently asked questions
How many square kilometers are in a square mile?
One square mile is 2.589988 square kilometers.