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Convert Mil Thicknesses to their approximate Micron Equivalents, and vice versa.

Mil Thickness
Approx. Micron Equivalent
          0.23                                                             6
          0.27                                                             7
          0.31                                                             8
          0.35                                                             9
          0.39                                                            10
          0.43                                                            11
          0.47                                                            12
          0.51                                                            13
          0.55                                                            14
          0.59                                                            15
          0.62                                                            16
          0.66                                                            17
          0.70                                                            18
          0.74                                                            19
          0.78                                                            20
          0.82                                                            21
          0.86                                                            22
          0.90                                                            23
          0.94                                                            24
          0.98                                                            25
                   One Mil = 1/1000 Inch
Conversions
.0005"          =                    50 gauge                    =                    .5 mil
.0006"          =                    60 gauge                    =                    .6 mil
.0007"          =                    70 gauge                    =                    .7 mil
.0008"          =                    80 gauge                    =                    .8 mil
.0009"          =                    90 gauge                    =                    .9 mil
.0010"          =                100 gauge                    =                  1 mil
.00115"      =                115 gauge                    =                    1.15 mil
.00120"      =              120 gauge                 =               1.20 mil
.00125"      =                125 gauge                    =                    1.25 mil

                    
Gauge Chart - Gauge to Mils (1/1000 Inch)