| 线规号码 | in. | mm | 线规号码 | in. | mm | 线规号码 | in. | mm | ||
| 0 | 0.324 | 8.230 | 14 | 0.080 | 2.032 | 28 | 0.0148 | 0.376 | ||
| 1 | 0.300 | 7.020 | 15 | 0.072 | 1.829 | 29 | 0.0136 | 0.345 | ||
| 2 | 0.276 | 7.010 | 16 | 0.064 | 1.626 | 30 | 0.0124 | 0.315 | ||
| 3 | 0.252 | 6.401 | 17 | 0.056 | 1.422 | 31 | 0.0116 | 0.295 | ||
| 4 | 0.232 | 5.893 | 18 | 0.048 | 1.219 | 32 | 0.0108 | 0.274 | ||
| 5 | 0.212 | 5.385 | 19 | 0.040 | 1.016 | 33 | 0.0100 | 0.254 | ||
| 6 | 0.192 | 4.877 | 20 | 0.036 | 0.914 | 34 | 0.0092 | 0.234 | ||
| 7 | 0.176 | 4.470 | 21 | 0.032 | 0.813 | 35 | 0.0084 | 0.213 | ||
| 8 | 0.160 | 4.064 | 22 | 0.028 | 0.711 | 36 | 0.0076 | 0.193 | ||
| 9 | 0.144 | 3.658 | 23 | 0.024 | 0.610 | 37 | 0.0068 | 0.173 | ||
| 10 | 0.128 | 3.251 | 24 | 0.022 | 0.559 | 38 | 0.0060 | 0.152 | ||
| 11 | 0.116 | 2.946 | 25 | 0.020 | 0.508 | 39 | 0.0052 | 0.132 | ||
| 12 | 0.104 | 2.642 | 26 | 0.018 | 0.457 | 40 | 0.0048 | 0.122 | ||
| 13 | 0.092 | 2.337 | 27 | 0.0164 | 0.417 | 41 | 0.0044 | 0.112 |
英国标准线规（BWG)号数与线径的关系
Date：2025-06-03
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