Square Kilometers to Square Miles Converter
CommonSquare meters, acres, hectares and more.
How to convert Square Kilometers to Square Miles
Multiply the square kilometers value by 0.386102: 1 km² = 0.386102 mi². Going the other way, 1 mi² = 2.58999 km², so divide by 0.386102 or use the Square Miles to Square Kilometers converter.
About these units
Square Kilometers (km²)
A square kilometer is one million square meters, about 0.386 square miles or 100 hectares. The areas of cities and countries are given in square kilometers.
Square Miles (mi²)
A square mile is 640 acres, about 2.59 square kilometers. It is used for land areas in the United States.
Square Kilometers to Square Miles conversion table
| Square Kilometers (km²) | Square Miles (mi²) |
|---|---|
| 1 km² | 0.386102 mi² |
| 2 km² | 0.772204 mi² |
| 3 km² | 1.15831 mi² |
| 4 km² | 1.54441 mi² |
| 5 km² | 1.93051 mi² |
| 10 km² | 3.86102 mi² |
| 20 km² | 7.72204 mi² |
| 25 km² | 9.65255 mi² |
| 50 km² | 19.3051 mi² |
| 100 km² | 38.6102 mi² |
| 500 km² | 193.051 mi² |
| 1,000 km² | 386.102 mi² |
More square kilometers conversions
- Square Kilometers to Square Meters1 km² = 1e+6 m²
- Square Kilometers to Square Centimeters1 km² = 1e+10 cm²
- Square Kilometers to Hectares1 km² = 100 ha
- Square Kilometers to Square Millimeters1 km² = 1e+12 mm²
- Square Kilometers to Ares1 km² = 10,000 a
- Square Kilometers to Square Feet1 km² = 1.0764e+7 ft²
- Square Kilometers to Dunams1 km² = 1,000 dunam
See every unit on the Area Converter.