Convert square miles to square kilometers
Instantly convert square miles to square kilometers using our free online calculator. See the formula and a full reference table below.
square kilometers
1 square mile = 2.59 square kilometers
Formula:
square miles × 2.59 = square kilometersSquare mile → Square kilometer reference table
| square miles | square kilometers |
|---|---|
| 1 square mile | 2.59 square kilometers |
| 2 square miles | 5.18 square kilometers |
| 5 square miles | 12.9499 square kilometers |
| 10 square miles | 25.8999 square kilometers |
| 25 square miles | 64.7497 square kilometers |
| 50 square miles | 129.4995 square kilometers |
| 100 square miles | 258.999 square kilometers |
| 250 square miles | 647.4975 square kilometers |
| 500 square miles | 1294.995 square kilometers |
| 1000 square miles | 2589.99 square kilometers |
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Frequently asked questions
How many square kilometers are in 1 square mile?
1 square mile equals 2.59 square kilometers.
What is the formula to convert square miles to square kilometers?
Multiply the number of square miles by 2.59 to get the equivalent in square kilometers.
Is this converter accurate?
Yes. All conversions use internationally recognized conversion factors with up to 6 decimal places of precision.