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Leather Thickness
Conversion Chart

Ounces
1 oz

Fractional Inches
=1/64

Decimal Inches
=0.016
Millimeters
=0.40
3/4   0.012 0.30
7/8   0.014 0.35
1 1/64 0.016 0.40
1 1/4   0.020 0.50
1 1/2   0.023 0.60
2 1/32 0.031 0.79
2 1/2   0.039 0.99
3 3/64 0.047 1.19
3 1/2   0.055 1.39
3 3/4   0.059 1.49
4 1/16 0.063 1.60
4 1/2   0.070 1.79
5 5/64 0.078 1.98
6 3/32 0.094 2.39
7 7/64 0.109 2.77
8 1/8 0.125 3.18
9 9/64 0.141 3.58
10 5/32 0.156 3.96