AWG 线规尺寸对照表

AWG尺寸对照表

表格中的数据包括各种导线的阻抗和允许电流大小（安培）。表中的直径数值适用于实心电线。双绞

(inch)

(mm)(kcmil)(mm2)

(Ω/km)(Ω/kFT)0000

(4/0)0.4611.6842121070.16080.04901000 (3/0)0.409610.404168850.20280.061800 (2/0)0.36489.26613367.40.25570.077930 (1/0)

0.32498.25210653.50.32240.0982710.28937.34883.742.40.40660.123920.2576 6.54466.433.60.51270.156330.2294 5.82752.626.70.64650.19740.2043 5.18941.721.20.81520.248550.1819 4.62133.116.8 1.0280.313360.162 4.11526.313.3 1.2960.395170.1443 3.66520.810.5 1.6340.498280.1285 3.26416.58.37 2.0610.628290.1144 2.90613.1 6.63 2.5990.7921100.1019 2.58810.4 5.26 3.2770.9989110.0907 2.3058.23 4.17 4.132 1.26120.0808 2.053 6.53 3.31 5.211 1.588130.072 1.828 5.18 2.62 6.571 2.003140.0641 1.628 4.11 2.088.286 2.525150.0571 1.45 3.26 1.6510.45 3.184160.0508 1.291 2.58 1.3113.17 4.016170.0453 1.15 2.05 1.0416.61 5.064180.0403 1.024 1.620.82320.95 6.385190.03590.912 1.290.65326.428.051200.0320.812 1.020.51833.3110.15

210.02850.7230.810.414212.8220.02530.6440.6420.32652.9616.14230.02260.5730.5090.25866.7920.36240.02010.5110.4040.20584.2225.67250.01790.4550.320.162106.232.37260.01590.4050.2540.129133.940.81270.01420.3610.2020.102168.951.47280.01260.3210.160.081212.964.9290.01130.2860.1270.0642268.581.84300.010.2550.1010.0509338.6103.2310.008930.2270.07970.0404426.9130.1320.007950.2020.06320.032538.3164.1330.007080.180.05010.0254678.8206.9340.00630.160.03980.020*******.9350.005610.1430.03150.0161079329360.0050.1270.0250.01271361414.8370.004450.1130.01980.011716523.1380.003970.1010.01570.007972164659.6390.003530.08970.01250.006322729831.840

0.00314

0.07990.00989

0.00501

34411049

AWG 直径

面积

铜阻抗

值适用于实心电线。双绞线应当根据铜线横截面面积进行计算。下面的表格适用于直流情况，或者

，或者频率小于等于60赫兹的情况，也没有考虑集肤效应。