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Square kilometers to Square miles Converter
1 square kilometer = 0.3861021585 square miles, and 1 square mile = 2.5899881103 square kilometers. Enter any value below to convert instantly.
Square kilometers to Square miles Converter
How to convert square kilometers to square miles
Multiply the number of square kilometers by 0.3861021585: mi² = km² × 0.3861021585. For example, 10 km² × 0.3861021585 = 3.8610215854 mi². To go the other way, multiply by 2.5899881103.
Square kilometers to Square miles conversion table
| Square kilometers | Square miles |
|---|---|
| 0.1 km² | 0.0386102159 mi² |
| 0.5 km² | 0.1930510793 mi² |
| 1 km² | 0.3861021585 mi² |
| 2 km² | 0.7722043171 mi² |
| 3 km² | 1.1583064756 mi² |
| 5 km² | 1.9305107927 mi² |
| 10 km² | 3.8610215854 mi² |
| 15 km² | 5.7915323781 mi² |
| 20 km² | 7.7220431708 mi² |
| 25 km² | 9.6525539636 mi² |
| 50 km² | 19.3051079271 mi² |
| 75 km² | 28.9576618907 mi² |
| 100 km² | 38.6102158542 mi² |
| 250 km² | 96.5255396356 mi² |
| 500 km² | 193.0510792712 mi² |
| 1,000 km² | 386.1021585424 mi² |
Frequently asked questions
How many square miles are in a square kilometer?
There are 0.3861021585 square miles in one square kilometer.
How do I convert square miles back to square kilometers?
Use the reverse converter: 1 mi² = 2.5899881103 km².