Convert Square Kilometers (km²) to Square Miles (mi²)
Enter a value below to convert Square Kilometers (km²) to Square Miles (mi²).
Conversion:
1 Square Kilometers (km²) = 0.38610215854 Square Miles (mi²)
How to Convert Square Kilometers (km²) to Square Miles (mi²)
1 km2 = 0.38610215854 mi2
1 mi2 = 2.5899881103 km2
Example: convert 15 Square Kilometers (km²) to Square Miles (mi²):
25 km2 = 9.6525539636 mi2
Square Kilometers (km²) to Square Miles (mi²) Conversion Table
| Square Kilometers (km²) | Square Miles (mi²) |
|---|---|
| 0.01 km2 | 0.0038610215854 mi2 |
| 0.1 km2 | 0.038610215854 mi2 |
| 1 km2 | 0.38610215854 mi2 |
| 2 km2 | 0.77220431708 mi2 |
| 3 km2 | 1.1583064756 mi2 |
| 5 km2 | 1.9305107927 mi2 |
| 10 km2 | 3.8610215854 mi2 |
| 20 km2 | 7.7220431708 mi2 |
| 50 km2 | 19.305107927 mi2 |
| 100 km2 | 38.610215854 mi2 |
| 1000 km2 | 386.10215854 mi2 |
Square Kilometers (km²)
Definition
A square kilometer (km²) is a metric unit of area equal to 1,000,000 square meters or 100 hectares. It represents the area of a square with sides of 1 kilometer.
History
The square kilometer naturally followed the adoption of the metric system and the kilometer as a standard unit of distance. It became the standard large-scale area unit for geography, demographics, and national statistics.
Current use
Square kilometers are used worldwide to express the area of cities, regions, countries, lakes, and large geographic features. It is the standard unit in national census data and geopolitical comparisons.
Square Miles (mi²)
Definition
A square mile (mi²) is an imperial unit of area equal to the area of a square with sides of 1 mile. It equals 640 acres or approximately 2.59 square kilometers.
History
The square mile has been used since the establishment of the statute mile in England. As settlements expanded, the square mile became the standard for measuring large tracts of land, counties, and states.
Current use
Square miles are used primarily in the United States and the United Kingdom to express the area of cities, counties, states, and natural parks. Population density is often stated in people per square mile.