Square Miles to Square Kilometers
Convert square miles to square kilometers for maps, territories, geographic datasets, countries, parks, and large land areas.
How to convert mi² to km²
To convert a value from square miles (mi²) to square kilometers (km²), enter the number in the converter above. Use the swap control if you need the reverse direction.
x is the source value in mi²; y is the result in km².
Popular conversions
Quick answers for common mi² to km² values are available from the related conversion pages.
Use the related tools section for fixed-value conversions and the reverse direction.
Common conversion table
Quick reference table for common mi² to km² values:
| mi² | km² |
|---|---|
| 1 | 2.589988 |
| 5 | 12.949941 |
| 10 | 25.899881 |
| 50 | 129.499406 |
| 100 | 258.998811 |
| 1,000 | 2,589.98811 |
About square miles
Square mile (mi²) — One square mile is the area of a square one mile on each side. It equals exactly 2.589988110336 square kilometers.
Common uses: Square miles are used for maps, counties, cities, parks, countries, territories, and large land area statistics.
About square kilometers
Square kilometer (km²) — One square kilometer is the area of a square one kilometer on each side, or 1,000,000 square meters.
Common uses: Square kilometers are used for maps, countries, regions, parks, watersheds, and large geographic or territory statistics.
Frequently Asked Questions
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