Internationally, leather is generally measured in millimeters. In America, most leather workers refer to weight in ounces. This conversion table makes these conversions easy between ounces, fractional inches, decimal inches, millimeters.
| Ounces | Fractional Inches | Decimal Inches | Millimeters |
|---|---|---|---|
| 1 | 1/64 | 0.016 | 0.40 |
| 2 | 1/32 | 0.031 | 0.79 |
| 3 | 3/64 | 0.047 | 1.19 |
| 4 | 1/16 | 0.063 | 1.60 |
| 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 |
| 11 | 11/64 | 0.172 | 4.37 |
| 12 | 3/16 | 0.188 | 4.78 |
| 13 | 13/64 | 0.203 | 5.16 |
| 14 | 7/32 | 0.219 | 5.56 |