# ››Convert square metre to square millimetre

 m^2 mm^2

How many m^2 in 1 mm^2? The answer is 1.0E-6.
We assume you are converting between square metre and square millimetre.
You can view more details on each measurement unit:
m^2 or mm^2
The SI derived unit for area is the square meter.
1 square meter is equal to 1000000 mm^2.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between square meters and square millimeters.
Type in your own numbers in the form to convert the units!

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You can do the reverse unit conversion from mm^2 to m^2, or enter any two units below:

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# ››Definition: Square meter

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 mē.

# ››Metric conversions and more

ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!