Divide the microns by 25.4 to arrive at Mil thickness.
Example: 10 Microns ? 25.4 = .39 Mil 24 Microns ? 25.4 = .94 Mil
Multiply the mils by 25.4 to arrive atmil thickness.
Example: 1 Mil = 25.4 Microns. 30 Mil x 25.4 = 7.6 Microns. 65 Mil x 25.4 = 16.5 Microns