Square Mile to Square Kilometer
Conversions
Square Kilometer to Square Mile Conversion
Below are three different ways to convert square miles to square kilometers.
If you want to make your old math teacher happy, use the conversion formula.
Conversion Formula
To use this formula to convert square miles to square kilometers, simply multiply the
number of square miles by 2.590 and the answer is the number of square kilometers.
Conversion Calculator
To use the conversion calculator simply enter the number of square miles and click "Convert" and the number of square kilometers will display.
Conversion Table
You can also use this table for quick reference.
| square miles |
square kilometers |
|
square miles |
square kilometers |
| 1 |
2.590 |
|
30 |
77.70 |
| 2 |
5.18 |
|
40 |
103.60 |
| 3 |
7.77 |
|
50 |
129.50 |
| 4 |
10.36 |
|
60 |
155.40 |
| 5 |
12.95 |
|
70 |
181.30 |
| 6 |
15.54 |
|
80 |
207.20 |
| 7 |
18.13 |
|
90 |
233.10 |
| 8 |
20.72 |
|
100 |
259 |
| 9 |
23.31 |
|
250 |
647.50 |
| 10 |
25.90 |
|
500 |
1295 |
| 20 |
51.80 |
|
1000 |
2590 |
Other Reference Links:
Metric System
US Measurements
