Units of measurement
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Square mile (mi²)
Square nautical mile (nmi²)
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Information
Square mile (mi²)
A square mile (mi²) is a large unit of area measurement used to describe large land areas and administrative regions. 1 mi² = 2.59 km².
Square nautical mile (nmi²)
A square nautical mile (nmi²) is a unit of area used in maritime navigation, equal to 3.43 km².