Square Kilometers to Square Miles
1 square kilometer = 0.386102159 square miles
Converter Calculator
1 Square Kilometers = 0.386102 Square Miles
Explanation
Convert square kilometers to square meters (×1,000,000), then to acres, then divide by 640 to return square miles.
Common Conversion Values
| Square Kilometers | Square Miles |
|---|---|
| 0.1 | 0.03861 |
| 0.25 | 0.096526 |
| 0.5 | 0.193051 |
| 1 | 0.386102 |
| 2 | 0.772204 |
| 5 | 1.930511 |
| 10 | 3.861022 |
| 25 | 9.652554 |
| 50 | 19.305108 |
| 100 | 38.610216 |
How to use this hub
- Choose a converter family.
- If converting to/from grams from a volume unit, select an ingredient.
- For pure unit changes (volume↔volume or weight↔weight), use universal conversions.
If your conversion includes grams, you’ll choose an ingredient; otherwise you won’t.
Frequently Asked Questions
What defines this conversion?
The ratio follows exact international area definitions.
Is the reverse conversion available?
Yes. Use the switch button or open the Square Miles to Square Kilometers hub to view the mirror conversion.
Can I use decimals?
Yes. Decimal inputs are supported so fractional area values remain precise in calculator output.