QConvert
Square Kilometer to Square Mile Converter
Convert Square Kilometer to Square Mile instantly — live results with exact conversion factors.
Answer
1 square kilometer = 0.3861021585 square miles. To convert km² to mi², multiply by 0.3861021585.
Quick Reference Table
| Square Kilometer (km²) | Square Mile (mi²) |
|---|---|
| 1 | 0.38610216 |
| 2 | 0.77220432 |
| 5 | 1.93051079 |
| 10 | 3.86102159 |
| 20 | 7.72204317 |
| 50 | 19.3051079 |
| 100 | 38.6102159 |
| 250 | 96.5255396 |
| 500 | 193.051079 |
| 1000 | 386.102159 |
Formula
Convert Square Kilometer (km²) to Square Mile (mi²) using the relationship:
mi² = km² × 0.3861021585
How to Convert
- Take the value in square kilometers (km²).
- Multiply it by 0.3861021585 (the conversion factor from km² to mi²).
- The result is the equivalent value in square miles (mi²).
- Example: 1 km² = 0.38610216 mi².
Reverse Conversion
Need it the other direction? Square Mile to Square Kilometer conversion.
All Area Conversions
See the full list of Area conversions.
Related Conversions
FAQ
▸ How many square miles are in 1 square kilometer?
1 Square Kilometer equals 0.38610216 square miles. Multiply by 0.3861021585 to convert km² to mi².
▸ What is the formula to convert square kilometer to square mile?
Multiply the value in square kilometers by 0.3861021585 to get square miles. Formula: mi² = km² × 0.3861021585.
▸ How do I convert square kilometers to square miles easily?
Enter your value in the converter at the top of this page — the square miles result updates live as you type. You can also multiply by 0.3861021585 directly.