Square kilometer (km²)
The square kilometer is useful for cities, districts, natural features, and large territories.
History: the square kilometer became the natural large metric unit for mapping and territorial statistics.
Quickly convert square kilometers to square miles without lookup tables or manual math.
This page is focused on converting square kilometers to square miles. Type a number into the first field and the result appears immediately in the second field.
Example: 1 km² = 0.3861021585 mi². Conversion formula: result = value × 1000000 / 2589988.110336.
Use this converter for everyday calculations, study notes, engineering checks, and quick value verification without installing a separate app.
The square kilometer is useful for cities, districts, natural features, and large territories.
History: the square kilometer became the natural large metric unit for mapping and territorial statistics.
The square mile is useful for large areas in countries where distances are measured in miles.
History: the square mile developed from the land mile as a convenient unit for large imperial areas.
Enter a value in the Square kilometer field. The converter applies the formula "result = value × 1000000 / 2589988.110336" and immediately shows the result in square miles.
1 km² = 0.3861021585 mi².
Yes. Use the swap button or choose the reverse pair from the full conversion list.