Convert square mile to square kilometer
Please provide values below to convert square mile [mi^2] to square kilometer [km^2], or Convert square kilometer to square mile.
How to Convert Square Mile to Square Kilometer
1 mi^2 = 2.589988110336 km^2
Example: convert 15 mi^2 to km^2:
15 mi^2 = 15 × 2.589988110336 km^2 = 38.84982165504 km^2
Square Mile to Square Kilometer Conversion Table
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Square Mile
A square mile is a unit of area measurement equal to the area of a square with sides of one mile each.
History/Origin
The square mile has been used historically in the United States and the United Kingdom for land measurement, especially in surveying and real estate, originating from the imperial system of units.
Current Use
Today, the square mile is primarily used in the United States and the UK for measuring land areas, such as in real estate, geography, and environmental studies, within the context of the 'Area' converter in 'Common Converters'.
Square Kilometer
A square kilometer is a unit of area equal to the area of a square with sides measuring one kilometer each.
History/Origin
The square kilometer has been used as a standard unit of area measurement in the metric system since its adoption, primarily for measuring large land areas such as countries and regions.
Current Use
It is commonly used in geography, urban planning, and environmental studies to quantify land and area sizes, especially in contexts requiring large-scale measurements.