To Convert: Into: Multiply By:
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square millimeters circular millimeters 1.2732395
square millimeters circular mils 1973.5252
square millimeters square centimeters 0.01
square millimeters square feet 1.076 X 10^-5
square millimeters square inches 0.0015500031
square millimeters square meters 1.0 X 10^-6