Sheet Metal Gauge Thickness Chart
		Thickness   Gauge        Frac. Inch     Dec. Inch      mm   0000000       1/2               .5                12.7   000000         15/32           .46875        11.90625 00000           7/16             .4375          11.1125    0000             13/32           .40625        10.31875     000               3/8               .375            9.525    00                 11/32           .34375        8.73125     0                   5/16             .3125          7.9375   1                   9/32             .28125        7.14375    2                   17/64           .265625      6.746875    3                   1/4               .25              6.35   4                   15/64           .234375      5.953125    5                   7/32             .21875        5.55625   6                   13/64           .203125      5.159375    7                   3/16             .1875          4.7625   8                   11/64           .171875      4.365625    9                    5/32            .15625        3.96875   10                  9/64            .140625      3.571875   11                  1/8              .125            3.175   12                 7/64             .109375      2.778125    13                 3/32             .09375        2.38125   14                 5/64             .078125      1.984375   15                 9/128           .703125      1.7859375    16                 1/16             .0625          1.5875     17                 9/160           .05625        1.42875     18                 1/20             .05              1.27     19                 7/160           .04375        1.11125   20                 3/80             .0375           .9525