中国、国际电工委员会、德国、SWG/AWG线规对照表 中国线规GB 标称直径mm 0.02国际电工线德国标准线规IEC 标称直径mm 0.02规DIE 标称直径mm 英国 SWG 标称 直径mm 0.02 美国 AWG 52 标准 直径mm 0.02 0.0220.0250.0280.0320.0360.040.0220.0250.0280.0320.0360.04 0.025 50 0.025 50 0.025 0.032 490.031 4847454443424140393837363534 3332313029282726250.0320.0350.0410.0450.05 0.04 480.041 0.0450.050.0450.050.05 4745444342410.0510.0610.0710.0810.0710.1020.1120.1220.1320.1520.1730.193 0.0560.0630.0710.080.090.10.0560.0630.0710.080.090.10.0560.0630.0710.0790.00.1010.1130.1270.1430.160.0630.0710.080.090.1 0.1120.1250.140.160.180.20.1120.1250.140.160.1120.1250.140.10393837363534 0.180.20.180.20.2130.2340.2450.2950.3150.3450.3760.4170.4570.5080.5590.610.18 0.2020.2270.2550.2860.3210.3610.4050.455 0.2240.250.280.2240.250.280.2240.250.28333130292827262524230.3150.3550.40.3150.3550.40.3150.3550.4 0.450.50.450.50.450.50.560.60.560.6 240.5110.630.710.750.8 0.630.710.750.8 0.630.710.750.8 222120 232221 0.5740.20.724 0.7110.8130.914 0.8120.911 0.850.90.850.90.850.920190.9510.9510.951 181.024 1.061.121.181.251.321.41.51.61.71.81.921.061.121.181.251.321.41.51.61.71.81.921.061.121.181.251.321.41.51.61.71.81.9219 1.016 171.151 18 161.219 1.29 17151.45 1.422 141.62816 1.626 1.82913151.829 2.052 2.3 122.122.242.362.52.122.242.362.52.122.242.362.514 2.032
11 132.337 12 2.2 AWG线规计算方法 102.59（时间:2008-2-19 信息来源：中国电线电缆息中心 ）
AWG含义：
American Wire Guide
计算方法：
AWG#＝49.8813-9.92980logA 说明 ：
A-导体面积（园密尔） A=d1*d1+d2*d2+........+dn*dn dn-绞合单丝直径（密尔） 举例 ：
求7/0.16mm 线规数（AWG) 1：0.16mm=6.2992mil
2：A=7X6.2992X6.2992=277.759 3：AWG#=25.62（约＝26）
