常用絲徑對照表
| 
             規(guī) 格  | 
            
             SWG英制  | 
            
             BWG伯明罕  | 
            
             BG  | 
            
             AWG美制  | 
        ||||
| 
             吋  | 
            
             毫米  | 
            
             吋  | 
            
             毫米  | 
            
             吋  | 
            
             毫米  | 
            
             吋  | 
            
             毫米  | 
        |
| 
             7/0  | 
            
             0.5  | 
            
             12.7  | 
            
                | 
            
                | 
            
             0.6666  | 
            
             16.932  | 
            
                | 
            
                | 
        
| 
             6/0  | 
            
             0.464  | 
            
             11.786  | 
            
                | 
            
                | 
            
             0.625  | 
            
             15.875  | 
            
             0.58  | 
            
             14.732  | 
        
| 
             5/0  | 
            
             0.432  | 
            
             10.973  | 
            
             0.5  | 
            
             12.7  | 
            
             0.5883  | 
            
             14.943  | 
            
             0.5165  | 
            
             13.119  | 
        
| 
             4/0  | 
            
             0.4  | 
            
             10.16  | 
            
             0.454  | 
            
             11.532  | 
            
             0.5416  | 
            
             13.757  | 
            
             0.46  | 
            
             11.684  | 
        
| 
             3/0  | 
            
             0.372  | 
            
             9.449  | 
            
             0.425  | 
            
             10.795  | 
            
             0.5  | 
            
             12.7  | 
            
             0.4096  | 
            
             10.404  | 
        
| 
             2/0  | 
            
             0.348  | 
            
             8.839  | 
            
             0.38  | 
            
             9.625  | 
            
             0.4452  | 
            
             11.308  | 
            
             0.3648  | 
            
             9.266  | 
        
| 
             0  | 
            
             0.324  | 
            
             8.23  | 
            
             0.34  | 
            
             8.639  | 
            
             0.3954  | 
            
             10.069  | 
            
             0.3249  | 
            
             8.252  | 
        
| 
             1  | 
            
             0.3  | 
            
             7.62  | 
            
             0.03  | 
            
             7.62  | 
            
             0.3532  | 
            
             8.971  | 
            
             0.2893  | 
            
             7.348  | 
        
| 
             2  | 
            
             0.276  | 
            
             7.01  | 
            
             0.284  | 
            
             7.214  | 
            
             0.3147  | 
            
             7.993  | 
            
             0.2576  | 
            
             6.544  | 
        
| 
             3  | 
            
             0.252  | 
            
             6.401  | 
            
             0.259  | 
            
             6.579  | 
            
             0.2804  | 
            
             7.122  | 
            
             0.2294  | 
            
             5.827  | 
        
| 
             4  | 
            
             0.232  | 
            
             5.893  | 
            
             0.283  | 
            
             6.045  | 
            
             0.25  | 
            
             6.35  | 
            
             0.2043  | 
            
             5.189  | 
        
| 
             5  | 
            
             0.212  | 
            
             5.385  | 
            
             0.22  | 
            
             5.588  | 
            
             0.2225  | 
            
             5.652  | 
            
             0.1819  | 
            
             4.621  | 
        
| 
             6  | 
            
             0.192  | 
            
             4.877  | 
            
             0.203  | 
            
             5.156  | 
            
             0.1981  | 
            
             5.032  | 
            
             0.162  | 
            
             4.115  | 
        
| 
             7  | 
            
             0.176  | 
            
             4.47  | 
            
             0.18  | 
            
             4.572  | 
            
             0.1764  | 
            
             4.481  | 
            
             0.1443  | 
            
             3.665  | 
        
| 
             8  | 
            
             0.16  | 
            
             4.046  | 
            
             0.165  | 
            
             4.191  | 
            
             0.157  | 
            
             3.988  | 
            
             0.1285  | 
            
             3.264  | 
        
| 
             9  | 
            
             0.144  | 
            
             3.658  | 
            
             0.148  | 
            
             3.759  | 
            
             0.1398  | 
            
             3.551  | 
            
             0.1144  | 
            
             2.906  | 
        
| 
             10  | 
            
             0.128  | 
            
             3.215  | 
            
             0.134  | 
            
             3.404  | 
            
             0.125  | 
            
             3.175  | 
            
             0.1019  | 
            
             2.588  | 
        
| 
             11  | 
            
             0.116  | 
            
             2.946  | 
            
             0.12  | 
            
             3.048  | 
            
             0.1113  | 
            
             2.827  | 
            
             0.0907  | 
            
             2.305  | 
        
| 
             12  | 
            
             0.104  | 
            
             2.642  | 
            
             0.109  | 
            
             2.769  | 
            
             0.0991  | 
            
             2.517  | 
            
             0.0808  | 
            
             2.053  | 
        
| 
             13  | 
            
             0.092  | 
            
             2.337  | 
            
             0.095  | 
            
             2.413  | 
            
             0.0882  | 
            
             2.24  | 
            
             0.072  | 
            
             1.828  | 
        
| 
             14  | 
            
             0.08  | 
            
             2.032  | 
            
             0.083  | 
            
             2.108  | 
            
             0.0785  | 
            
             1.994  | 
            
             0.0641  | 
            
             1.628  | 
        
| 
             15  | 
            
             0.072  | 
            
             1.829  | 
            
             0.072  | 
            
             1.829  | 
            
             0.0699  | 
            
             1.775  | 
            
             0.0571  | 
            
             1.45  | 
        
| 
             16  | 
            
             0.064  | 
            
             1.626  | 
            
             0.065  | 
            
             1.651  | 
            
             0.0625  | 
            
             1.588  | 
            
             0.0508  | 
            
             1.291  | 
        
| 
             17  | 
            
             0.056  | 
            
             1.422  | 
            
             0.058  | 
            
             1.473  | 
            
             0.0556  | 
            
             1.412  | 
            
             0.0453  | 
            
             1.15  | 
        
| 
             18  | 
            
             0.048  | 
            
             1.219  | 
            
             0.049  | 
            
             1.245  | 
            
             0.0495  | 
            
             1.257  | 
            
             0.0403  | 
            
             1.024  | 
        
| 
             19  | 
            
             0.04  | 
            
             1.016  | 
            
             0.042  | 
            
             1.067  | 
            
             0.044  | 
            
             1.118  | 
            
             0.0359  | 
            
             0.912  | 
        
| 
             20  | 
            
             0.036  | 
            
             0.914  | 
            
             0.035  | 
            
             0.839  | 
            
             0.0392  | 
            
             0.996  | 
            
             0.032  | 
            
             0.812  | 
        
| 
             21  | 
            
             0.032  | 
            
             0.813  | 
            
             0.032  | 
            
             0.831  | 
            
             0.349  | 
            
             0.887  | 
            
             0.0285  | 
            
             0.723  | 
        
| 
             22  | 
            
             0.028  | 
            
             0.711  | 
            
             0.028  | 
            
             0.711  | 
            
             0.03125  | 
            
             0.749  | 
            
             0.02535  | 
            
             0.644  | 
        
| 
             23  | 
            
             0.024  | 
            
             0.61  | 
            
             0.025  | 
            
             0.635  | 
            
             0.02782  | 
            
             0.707  | 
            
             0.02256  | 
            
             0.573  | 
        
| 
             24  | 
            
             0.022  | 
            
             0.559  | 
            
             0.022  | 
            
             0.559  | 
            
             0.02476  | 
            
             0.629  | 
            
             0.02011  | 
            
             0.511  | 
        
| 
             25  | 
            
             0.02  | 
            
             0.508  | 
            
             0.02  | 
            
             0.508  | 
            
             0.02204  | 
            
             0.56  | 
            
             0.01791  | 
            
             0.455  | 
        
| 
             26  | 
            
             0.018  | 
            
             0.457  | 
            
             0.018  | 
            
             0.457  | 
            
             0.01961  | 
            
             0.498  | 
            
             0.01594  | 
            
             0.405  | 
        
| 
             27  | 
            
             0.0164  | 
            
             0.417  | 
            
             0.016  | 
            
             0.406  | 
            
             0.01745  | 
            
             0.443  | 
            
             0.0142  | 
            
             0.361  | 
        
| 
             28  | 
            
             0.0148  | 
            
             0.376  | 
            
             0.014  | 
            
             0.356  | 
            
             0.01562  | 
            
             0.397  | 
            
             0.01264  | 
            
             0.321  | 
        
| 
             29  | 
            
             0.0136  | 
            
             0.345  | 
            
             0.013  | 
            
             0.33  | 
            
             0.0139  | 
            
             0.353  | 
            
             0.01126  | 
            
             0.286  | 
        
| 
             30  | 
            
             0.0124  | 
            
             0.315  | 
            
             0.012  | 
            
             0.305  | 
            
             0.0123  | 
            
             0.312  | 
            
             0.01003  | 
            
             0.255  | 
        
| 
             31  | 
            
             0.0116  | 
            
             0.295  | 
            
             0.01  | 
            
             0.254  | 
            
             0.011  | 
            
             0.27  | 
            
             0.00893  | 
            
             0.227  | 
        
| 
             32  | 
            
             0.0108  | 
            
             0.274  | 
            
             0.009  | 
            
             0.229  | 
            
             0.0098  | 
            
             0.249  | 
            
             0.00795  | 
            
             0.202  | 
        
| 
             33  | 
            
             0.01  | 
            
             0.254  | 
            
             0.008  | 
            
             0.203  | 
            
             0.0087  | 
            
             0.221  | 
            
             0.00708  | 
            
             0.18  | 
        
| 
             34  | 
            
             0.0092  | 
            
             0.234  | 
            
             0.007  | 
            
             0.178  | 
            
             0.0077  | 
            
             0.196  | 
            
             0.0063  | 
            
             0.16  | 
        
| 
             35  | 
            
             0.0084  | 
            
             0.213  | 
            
             0.005  | 
            
             0.127  | 
            
             0.0069  | 
            
             0.175  | 
            
             0.00561  | 
            
             0.143  | 
        
| 
             36  | 
            
             0.0076  | 
            
             0.193  | 
            
             0.004  | 
            
             0.102  | 
            
             0.0061  | 
            
             0.155  | 
            
             0.005  | 
            
             0.127  | 
        
| 
             37  | 
            
             0.0068  | 
            
             0.173  | 
            
                | 
            
                | 
            
             0.0054  | 
            
             0.137  | 
            
             0.00445  | 
            
             0.113  | 
        
| 
             38  | 
            
             0.006  | 
            
             0.152  | 
            
                | 
            
                | 
            
             0.0048  | 
            
             0.122  | 
            
             0.00396  | 
            
             0.101  | 
        
| 
             40  | 
            
             0.0048  | 
            
             0.122  | 
            
                | 
            
                | 
            
             0.00386  | 
            
             0.098  | 
            
             0.00314  | 
            
             0.08  | 
        
| 
             41  | 
            
             0.0044  | 
            
             0.112  | 
            
                | 
            
                | 
            
             0.00343  | 
            
             0.087  | 
            
             0.0028  | 
            
             0.071  | 
        
| 
             42  | 
            
             0.004  | 
            
             0.102  | 
            
                | 
            
                | 
            
             0.00306  | 
            
             0.078  | 
            
             0.00249  | 
            
             0.063  | 
        
| 
             43  | 
            
             0.0036  | 
            
             0.091  | 
            
                | 
            
                | 
            
             0.00272  | 
            
             0.069  | 
            
             0.00222  | 
            
             0.056  | 
        
| 
             44  | 
            
             0.0032  | 
            
             0.081  | 
            
                | 
            
                | 
            
             0.00242  | 
            
             0.061  | 
            
             0.00198  | 
            
             0.05  | 
        
| 
             45  | 
            
             0.0028  | 
            
             0.071  | 
            
                | 
            
                | 
            
             0.00215  | 
            
             0.055  | 
            
             0.00176  | 
            
             0.048  | 
        
| 
             46  | 
            
             0.0024  | 
            
             0.061  | 
            
                | 
            
                | 
            
             0.00192  | 
            
             0.049  | 
            
             0.00157  | 
            
             0.04  | 
        
| 
             47  | 
            
             0.002  | 
            
             0.051  | 
            
                | 
            
                | 
            
             0.0017  | 
            
             0.043  | 
            
             0.0014  | 
            
             0.035  | 
        
| 
             48  | 
            
             0.0016  | 
            
             0.041  | 
            
                | 
            
                | 
            
             0.00152  | 
            
             0.039  | 
            
             0.00124  | 
            
             0.032  | 
        
| 
             49  | 
            
             0.0012  | 
            
             0.03  | 
            
                | 
            
                | 
            
             0.00135  | 
            
             0.034  | 
            
             0.00111  | 
            
             0.028  | 
        
| 
             50  | 
            
             0.001  | 
            
             0.025  | 
            
                | 
            
                | 
            
             0.0012  | 
            
             0.03  | 
            
             0.00099  | 
            
             0.025  |