Convert square meter to square kilometer
Please provide values below to convert square meter [m^2] to square kilometer [km^2], or Convert square kilometer to square meter.
How to Convert Square Meter to Square Kilometer
1 m^2 = 1e-06 km^2
Example: convert 15 m^2 to km^2:
15 m^2 = 15 × 1e-06 km^2 = 1.5e-05 km^2
Square Meter to Square Kilometer Conversion Table
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Square Meter
A square meter (m^2) is the SI unit of area, representing the area of a square with sides of one meter each.
History/Origin
The square meter was established as part of the International System of Units (SI) in 1960, based on the meter defined by the speed of light, and has since become the standard unit for measuring area in the metric system.
Current Use
The square meter is widely used in various fields such as real estate, architecture, land measurement, and engineering to quantify surface areas of spaces and objects.
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.