Square Kilometers to Square Miles Converter
Enter an area in square kilometers and instantly get the equivalent in square miles.
Convert Area
Result
Quick Reference Table
| km² | mi² |
|---|
Conversion factor: 1 km² = 0.386102159 mi²
Reverse factor: 1 mi² = 2.58998811 km²
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Summary
Enter an area in square kilometers and instantly get the equivalent in square miles.
How it works
- Type an area value in square kilometers into the input field.
- The converter multiplies your value by 0.386102159 to produce square miles.
- Results update instantly as you type — no button click required.
- Use the swap button to reverse the conversion direction.
- Copy the result with one click.
Use cases
- Convert country or region sizes from km² to mi² for English-language reports.
- Compare land areas when switching between metric and imperial systems.
- Verify geographic data in mapping and GIS projects.
- Convert real-estate or agricultural land measurements.
- Check national park or wilderness area sizes in both units.
- Homework and exam preparation for unit-conversion problems.
Frequently Asked Questions
Last updated: 2026-06-11 ·
Reviewed by Nham Vu