Convert square kilometers to square miles
Instantly convert square kilometers to square miles using our free online calculator. See the formula and a full reference table below.
1 square kilometer = 0.3861 square miles
Formula:
square kilometers × 0.3861 = square milesSquare kilometer → Square mile reference table
| square kilometers | square miles |
|---|---|
| 1 square kilometer | 0.3861 square miles |
| 2 square kilometers | 0.7722 square miles |
| 5 square kilometers | 1.9305 square miles |
| 10 square kilometers | 3.861 square miles |
| 25 square kilometers | 9.6525 square miles |
| 50 square kilometers | 19.3051 square miles |
| 100 square kilometers | 38.6102 square miles |
| 250 square kilometers | 96.5255 square miles |
| 500 square kilometers | 193.051 square miles |
| 1000 square kilometers | 386.102 square miles |
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Frequently asked questions
How many square miles are in 1 square kilometer?
1 square kilometer equals 0.3861 square miles.
What is the formula to convert square kilometers to square miles?
Multiply the number of square kilometers by 0.3861 to get the equivalent in square miles.
Is this converter accurate?
Yes. All conversions use internationally recognized conversion factors with up to 6 decimal places of precision.