Square kilometers to Square miles

Convert square kilometers to square miles. Live result, plus a quick-reference table for common values.

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⇆ Convert Square miles to Square kilometers instead

Frequently asked questions

How do I convert square kilometers to square miles?

Multiply the square kilometer value by 0.386102. So 1 square kilometer = 0.386102 mi², and the calculator above does it instantly for any number.

How many square miles are in a square kilometer?

There are 0.386102 square miles in one square kilometer. The reference table shows the conversion for common values.

Is this km² to mi² converter free?

Yes, completely free, no sign-up, and it runs entirely in your browser, so nothing is uploaded.