Square Kilometers to Square Miles Converter
1 square kilometer = 0.3861022 square miles
1 square mile = 2.589988 square kilometers
How to convert square kilometers to square miles
To convert square kilometers to square miles, multiply the value in square kilometers by 0.386102158542.
mi² = km² × 0.386102158542
Example: 100 km² × 0.386102158542 = 38.61022 mi²
Square Kilometers to Square Miles conversion table
| Square Kilometer (km²) | Square Mile (mi²) |
|---|---|
| 1 km² | 0.3861022 mi² |
| 2 km² | 0.7722043 mi² |
| 3 km² | 1.158306 mi² |
| 4 km² | 1.544409 mi² |
| 5 km² | 1.930511 mi² |
| 6 km² | 2.316613 mi² |
| 7 km² | 2.702715 mi² |
| 8 km² | 3.088817 mi² |
| 9 km² | 3.474919 mi² |
| 10 km² | 3.861022 mi² |
| 12 km² | 4.633226 mi² |
| 15 km² | 5.791532 mi² |
| 20 km² | 7.722043 mi² |
| 25 km² | 9.652554 mi² |
| 30 km² | 11.58306 mi² |
| 40 km² | 15.44409 mi² |
| 50 km² | 19.30511 mi² |
| 60 km² | 23.16613 mi² |
| 70 km² | 27.02715 mi² |
| 75 km² | 28.95766 mi² |
| 80 km² | 30.88817 mi² |
| 90 km² | 34.74919 mi² |
| 100 km² | 38.61022 mi² |
| 150 km² | 57.91532 mi² |
| 200 km² | 77.22043 mi² |
| 250 km² | 96.52554 mi² |
| 500 km² | 193.0511 mi² |
| 1,000 km² | 386.1022 mi² |
About these units
Square Kilometer (km²)
The square kilometer (km²) is a unit of area in the International System of Units (SI). 1 square kilometer equals 1,000,000 square meters. This value is exact by definition.
Square Mile (mi²)
The square mile (mi²) is a unit of area used in both the imperial and US customary systems. 1 square mile equals 2,589,988.11 square meters. This value is exact by definition.
Frequently asked questions
What is 1 square kilometer in square miles?
1 square kilometer equals 0.3861022 square miles.
How do I convert square kilometers to square miles?
To convert square kilometers to square miles, multiply the value in square kilometers by 0.386102158542. Example: 100 km² × 0.386102158542 = 38.61022 mi²
What is 100 km² in square miles?
100 square kilometers equals 38.61022 square miles.