Birmingham Wire Gauge (BWG) is a system for defining the diameter of wire based on specific gauge numbers. Here's a conversion table for BWG gauge numbers 1 to 36, showing the corresponding diameters in millimeters (mm) and inches (in):
| BWG | Diameter (mm) | Diameter (in) |
|---|---|---|
| 1 | 7.348 | 0.289 |
| 2 | 6.544 | 0.257 |
| 3 | 6.073 | 0.239 |
| 4 | 5.588 | 0.220 |
| 5 | 5.156 | 0.203 |
| 6 | 4.877 | 0.192 |
| 7 | 4.470 | 0.176 |
| 8 | 4.191 | 0.165 |
| 9 | 3.759 | 0.148 |
| 10 | 3.403 | 0.134 |
| 11 | 3.048 | 0.120 |
| 12 | 2.769 | 0.109 |
| 13 | 2.413 | 0.095 |
| 14 | 2.108 | 0.083 |
| 15 | 1.829 | 0.072 |
| 16 | 1.651 | 0.065 |
| 17 | 1.473 | 0.058 |
| 18 | 1.245 | 0.049 |
| 19 | 1.067 | 0.042 |
| 20 | 0.914 | 0.036 |
| 21 | 0.813 | 0.032 |
| 22 | 0.711 | 0.028 |
| 23 | 0.610 | 0.024 |
| 24 | 0.559 | 0.022 |
| 25 | 0.508 | 0.020 |
| 26 | 0.457 | 0.018 |
| 27 | 0.406 | 0.016 |
| 28 | 0.356 | 0.014 |
| 29 | 0.330 | 0.013 |
| 30 | 0.305 | 0.012 |
| 31 | 0.279 | 0.011 |
| 32 | 0.254 | 0.010 |
| 33 | 0.229 | 0.009 |
| 34 | 0.203 | 0.008 |
| 35 | 0.178 | 0.007 |
| 36 | 0.152 | 0.006 |
These values are approximate, as wire diameter can vary slightly depending on factors such as material composition and manufacturing tolerances.
