Square Kilometers ā Square Miles Converter
Convert between square kilometers and square miles instantly
š Square Kilometers ā Square Miles Conversion Details
kmĀ² to miĀ² Formula
To convert square kilometers to square miles, multiply by 0.386102.
miĀ² to kmĀ² Formula
To convert square miles to square kilometers, multiply by 2.58999.
Bidirectional Conversion
This converter works both ways simultaneously:
- Type in kmĀ² ā miĀ² updates automatically
- Type in miĀ² ā kmĀ² updates automatically
- No buttons to click - works as you type
Common Uses
- Country area comparisons
- Land measurement
- City planning
- Environmental studies
š How This Converter Works
This is a bidirectional converter that works in real-time:
- kmĀ² ā miĀ²: When you type in the kmĀ² field, the miĀ² field automatically updates
- miĀ² ā kmĀ²: When you type in the miĀ² field, the kmĀ² field automatically updates
- No swapping needed: Both conversions happen simultaneously
- Real-time: Updates happen as you type, no button clicks required
miĀ² = kmĀ² Ć 0.386102
kmĀ² = miĀ² Ć 2.58999
// Example 1: Type "100" in kmĀ²
miĀ² = 100 Ć 0.386102 = 38.6102
// Example 2: Type "100" in miĀ²
kmĀ² = 100 Ć 2.58999 = 258.999
š Conversion Table
| Square Kilometers | Square Miles | Comparison |
|---|---|---|
| 1 kmĀ² | 0.386 miĀ² | ā 140 soccer fields |
| 10 kmĀ² | 3.861 miĀ² | ā Central Park size |
| 100 kmĀ² | 38.61 miĀ² | ā Manhattan area |
| 1000 kmĀ² | 386.1 miĀ² | ā Hong Kong area |
| 2589.99 kmĀ² | 1000 miĀ² | Exact conversion |
š Area Comparisons
Common Reference Points:
- 1 kmĀ² = About 140 soccer fields
- 1 miĀ² = About 640 acres
- New York City: 783.8 kmĀ² (302.6 miĀ²)
- London: 1,572 kmĀ² (607 miĀ²)
- Paris: 105.4 kmĀ² (40.7 miĀ²)
- Tokyo: 2,194 kmĀ² (847 miĀ²)
ā Frequently Asked Questions
A: One square kilometer equals approximately 0.386102 square miles.
A: Both input fields work simultaneously. When you change the kmĀ² value, miĀ² updates automatically. When you change the miĀ² value, kmĀ² updates automatically. No swap button needed.
A: No! The conversion happens automatically as you type in either field.
A: This converter provides exact calculations up to 6 decimal places using the standard conversion factor of 1 kmĀ² = 0.386102 miĀ².