Square nautical mile (nmi²)Acre (ac)00GeneralArea

Units of measurement

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Square nautical mile (nmi²)
Acre (ac)
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Information

Square nautical mile (nmi²)
A square nautical mile (nmi²) is a unit of area used in maritime navigation, equal to 3.43 km².
Acre (ac)
An acre (ac) is a traditional land measurement unit in the US and UK, equal to 4046.86 m² (approximately 0.4 ha).

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