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| B.G | Thickness in Inches |
Thickness in Millimetres |
B.G | Thickness in Inches |
Thickness in Millimetres |
| 15/0 | 1.0000 | 25.40 | 21 | 0.0349 | 0.8865 |
| 14/0 | 0.9583 | 24.34 | 22 | 0.0313 | 0.7938 |
| 13/0 | 0.9167 | 23.38 | 23 | 0.0278 | 0.7066 |
| 12/0 | 0.8750 | 22.22 | 24 | 0.0248 | 0.6289 |
| 11/0 | 0.8333 | 21.17 | 25 | 0.0220 | 0.5598 |
| 10/0 | 0.7917 | 20.11 | 26 | 0.0196 | 0.4981 |
| 9/0 | 0.7500 | 19.05 | 27 | 0.0175 | 0.4432 |
| 8/0 | 0.7083 | 17.99 | 28 | 0.0156 | 0.3969 |
| 7/0 | 0.6666 | 16.93 | 29 | 0.0139 | 0.3531 |
| 6/0 | 0.6250 | 15.88 | 30 | 0.0123 | 0.3124 |
| 5/0 | 0.5883 | 14.94 | 31 | 0.0110 | 0.2794 |
| 4/0 | 0.5416 | 13.75 | 32 | 0.0098 | 0.2489 |
| 3/0 | 0.5000 | 12.70 | 33 | 0.0087 | 0.2210 |
| 2/0 | 0.4452 | 11.31 | 34 | 0.0077 | 0.1956 |
| 0 | 0.3964 | 10.07 | 35 | 0.0069 | 0.1753 |
| 1 | 0.3532 | 8.971 | 36 | 0.0061 | 0.1549 |
| 2 | 0.3147 | 7.993 | 37 | 0.0054 | 0.1372 |
| 3 | 0.2804 | 7.122 | 38 | 0.0048 | 0.1219 |
| 4 | 0.2500 | 6.350 | 39 | 0.0043 | 0.1092 |
| 5 | 0.2225 | 5.652 | 40 | 0.00386 | 0.09804 |
| 6 | 0.1981 | 5.032 | 41 | 0.00343 | 0.08712 |
| 7 | 0.1764 | 4.481 | 42 | 0.00306 | 0.07772 |
| 8 | 0.1570 | 3.988 | 43 | 0.00272 | 0.06909 |
| 9 | 0.1398 | 3.551 | 44 | 0.00242 | 0.06147 |
| 10 | 0.1250 | 3.175 | 45 | 0.00215 | 0.05461 |
| 11 | 0.1113 | 2.827 | 46 | 0.00192 | 0.04877 |
| 12 | 0.0991 | 2.517 | 47 | 0.00170 | 0.04318 |
| 13 | 0.0882 | 2.240 | 48 | 0.00152 | 0.03861 |
| 14 | 0.0785 | 1.994 | 49 | 0.00135 | 0.03429 |
| 15 | 0.0699 | 1.775 | 50 | 0.00120 | 0.03048 |
| 16 | 0.0625 | 1.558 | 51 | 0.00107 | 0.02718 |
| 17 | 0.0556 | 1.412 | 52 | 0.00095 | 0.02413 |
| 18 | 0.0495 | 1.257 | - | - | - |
| 19 | 0.0440 | 1.118 | - | - | - |
| 20 | 0.0392 | 0.9957 | - | - | - |
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