Square Miles to Square Kilometers
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sqmi
sqkm
Quick reference
| Square Miles (sqmi) | Square Kilometers (sqkm) |
|---|
Formula
Square Kilometers = square miles × 2.589988
Multiply the square miles value by 2.589988 to get square kilometers. To reverse — divide square kilometers by 2.589988 to get square miles.
About this conversion
The square mile (mi²) is an imperial unit of area equal to 640 acres or approximately 2.59 km². Learn more →
The square kilometer (km²) is a metric unit of area equal to one million square meters. Learn more →
Source: NIST International Reference