size sq.in. 3 mil 5 mil 10 mil
8.5 x 11 =  93.5 1.87 2.81 3.74
11 x 17 = 187 3.74 5.61 7.48
18 x 24 = 432 8.64 12.96 17.28
24 x 26 = 864 17.28 25.92 34.56
per sq in = 1 0.02 0.03 0.04
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