How many square meters in 1 square gigameter?
The answer is 1.0E+18.
We assume you are converting between square metre and square gigametre.
You can view more details on each measurement unit: square meters or
square gigameter
The SI derived unit for area is the square meter.
1 square meter is equal to 1.0E-18 square gigameter.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between square meters and square gigameters.
Type in your own numbers in the form to convert the units!

A square metre (US spelling: square meter) is by definition the area enclosed by a square with sides each 1 metre long. It is the SI unit of area. It is abbreviated m².

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