How Many Square Miles in a Square Kilometer?
Quick Answer
There are approximately 0.386 square miles in a square kilometer.
1 km² = 0.386102 sq miles
Understanding the Conversion
One square kilometer equals 0.386102 square miles. Major cities often report their area in sq km: Paris is 105 sq km (40.5 sq mi), London is 1,572 sq km (607 sq mi), and New York City is 783 sq km (302 sq mi).
Formula
1 km² = 0.386102 sq miles
Common Examples
| Description | Value |
|---|---|
| Paris (105 km²) | ≈40.5 sq miles |
| London (1,572 km²) | ≈607 sq miles |
| 1 sq km vs 1 sq mile | 1 sq mi = 2.59 sq km |
Quick Reference Table
Use this table for quick conversions between square kilometer and square miles:
| square kilometer | square miles |
|---|---|
| 1 | 0.386 |
| 2 | 0.772 |
| 5 | 1.930 |
| 10 | 3.861 |
| 25 | 9.652 |
| 50 | 19.305 |
| 100 | 38.61 |
Frequently Asked Questions
How Many Square Miles in a Square Kilometer?
There are approximately 0.386 square miles in a square kilometer. One square kilometer equals 0.386102 square miles. Major cities often report their area in sq km: Paris is 105 sq km (40.5 sq mi), London is 1,572 sq km (607 sq mi), and New York City is 783 sq km (302 sq mi).
What is the formula to convert square kilometer to square miles?
The formula is: 1 km² = 0.386102 sq miles. To convert, multiply the number of square kilometers by 0.386 to get the equivalent in square miles.
How do I convert square miles to square kilometer?
To convert square miles to square kilometer, divide the number of square miles by 0.386. For example, 1.930 square miles equals 5 square kilometers.