Convert are to square kilometer
Please provide values below to convert are [a] to square kilometer [km^2], or Convert square kilometer to are.
How to Convert Are to Square Kilometer
1 a = 0.0001 km^2
Example: convert 15 a to km^2:
15 a = 15 × 0.0001 km^2 = 0.0015 km^2
Are to Square Kilometer Conversion Table
| are | square kilometer |
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Are
The are is a metric unit of area equal to 100 square meters.
History/Origin
The are was introduced in France in the 19th century as a convenient unit for measuring land area, particularly in agriculture and real estate.
Current Use
The are is still used in some countries for land measurement, especially in real estate and agriculture, but has largely been replaced by the hectare in most contexts.
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.