Square Kilometer to Square Mile Converter
1 km² = 0.3861 mi²
1 km² = 0.3861 mi²
Square Kilometer to Square Mile Table
| Square Kilometer (km²) | Square Mile (mi²) |
|---|---|
| 0.01 | 0.003861 |
| 0.1 | 0.03861 |
| 1 | 0.3861 |
| 2 | 0.772201 |
| 5 | 1.9305 |
| 10 | 3.861 |
| 20 | 7.722 |
| 50 | 19.305 |
| 100 | 38.61 |
| 500 | 193.05 |
| 1000 | 386.1 |
How to Convert Square Kilometer to Square Mile
To convert Square Kilometer (km²) to Square Mile (mi²), use the formula: 1 km² = 0.3861 mi².
For example, to convert 5 km² to mi²: 5 km² = 1.9305 mi². Similarly, 10 km² = 3.861 mi², 25 km² = 9.6525 mi², and 100 km² = 38.61 mi².
To convert in the other direction, 1 mi² = 2.59 km². Simply enter your value in either field above for instant bi-directional conversion.
What is a Square Kilometer?
A square kilometer (km²) equals 1,000,000 square meters. Square kilometers are used for countries, cities, and large geographic regions.
What is a Square Mile?
A square mile (mi²) equals 640 acres or about 2.59 km². Square miles are used for city areas and geographic regions in the US and UK.
Common Square Kilometer to Square Mile Conversions
Here are some frequently looked-up conversions between Square Kilometer and Square Mile:
- 1 km² = 0.3861 mi²
- 5 km² = 1.9305 mi²
- 10 km² = 3.861 mi²
- 25 km² = 9.6525 mi²
- 100 km² = 38.61 mi²