square mile to square kilometer Converter

mi² = km²

One square mile equals 2.58999 square kilometers. To convert square miles to square kilometers, multiply the value by 2.58999.

Handy tools for this on Amazon

100 ft tape measure →Laser distance measure →Measuring wheel →

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Common conversions

1 mi²	2.58999 km²
5 mi²	12.9499 km²
10 mi²	25.8999 km²
20 mi²	51.7998 km²
50 mi²	129.499 km²
100 mi²	258.999 km²