Square Miles to Square Kilometers Converter

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Choose which direction to convert.
Enter the area you want to convert from square miles to square kilometers.
sq mi
How many decimal places to show in the result.
Converted area
2.59

The converted area value

In square miles1sq mi
In square kilometers2.59sq km
In acres640acres
In hectares259ha
In square feet27,878,400sq ft
Unitsq km
sq km2.59
acres640
hectares259

1 sq mi = 2.5900 sq km

  • 2.5900 sq km is roughly comparable to Central Park in New York City (3.41 sq km).
  • The same area equals 640.00 acres or 259.00 hectares.

Next stepNeed to convert to other area units? Use the additional outputs below to see the same area expressed as acres, hectares, and square feet all at once.

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