Square nautical mile (nmi²)Barn (b)00GeneralArea

Units of measurement

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Square nautical mile (nmi²)
Barn (b)
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Square nautical mile (nmi²)
A square nautical mile (nmi²) is a unit of area used in maritime navigation, equal to 3.43 km².
Barn (b)
A barn (b) is a unit of area measurement used in nuclear physics to describe atomic nucleus cross-sections. 1 barn = 10⁻²⁸ m².

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