How to convert from square millimeters (mm2) to cubic meters (m3)?
The area in square millimeters (mm2) must be multiplied by the thickness in millimeters and divide by 1 000 000 000. The result is a volume of cubic meters (m3).
__ m3 = __ mm2 x __ mm / 1 000 000 000
1 m3 = 1 000 000 000 mm3