Square Kilometers to Square Miles Converter
Instantly convert square kilometers to square miles with live bidirectional calculation, mathematical formula breakdown, and quick-reference snippet charts.
How to Convert Square Kilometers to Square Miles
Mathematical formulation and step-by-step conversion steps.
Multiply the value in square kilometers by 0.386102159 to get square miles.
To convert 10 square kilometers into square miles:
Quick-Reference Conversion Table
Calculated values for common square kilometers to square miles comparisons.
Square Kilometers to Square Miles (km² → mi²)
| Square Kilometer (km²) | Square Mile (mi²) |
|---|---|
| 1 km² | 0.386102159 mi² |
| 2 km² | 0.772204317 mi² |
| 5 km² | 1.93051079 mi² |
| 10 km² | 3.86102159 mi² |
| 20 km² | 7.72204317 mi² |
| 50 km² | 19.30510793 mi² |
| 100 km² | 38.61021585 mi² |
| 250 km² | 96.52553964 mi² |
| 500 km² | 193.0510793 mi² |
| 1000 km² | 386.1021585 mi² |
Square Miles to Square Kilometers (mi² → km²)
| Square Mile (mi²) | Square Kilometer (km²) |
|---|---|
| 1 mi² | 2.58998811 km² |
| 2 mi² | 5.17997622 km² |
| 5 mi² | 12.94994055 km² |
| 10 mi² | 25.8998811 km² |
| 20 mi² | 51.79976221 km² |
| 50 mi² | 129.4994055 km² |
| 100 mi² | 258.998811 km² |
| 250 mi² | 647.4970276 km² |
| 500 mi² | 1,294.994055 km² |
| 1000 mi² | 2,589.98811 km² |
Related Area & Land Conversions
Explore other units frequently converted alongside square kilometers.
Square Kilometers to Square Miles FAQ
Common answers and formulas for converting square kilometers to square miles.
How many square miles are in 1 square kilometer?
1 square kilometer (km²) is equal to 0.386102159 square miles (mi²).
What is the conversion formula for km² to mi²?
The formula is: mi² = km² × 0.386102159. Multiply the value in square kilometers by 0.386102159 to get square miles.
How do I convert 10 square kilometers to square miles?
To convert 10 square kilometers to square miles, apply the conversion formula: 10 km² = 3.86102159 mi².
Can I reverse this calculation to convert square miles to square kilometers?
Yes, use the quick-swap button (⇄) on the converter above or visit the reverse Square Miles to Square Kilometers converter.