美国线规(AWG)尺寸计算器和图表。
线规计算器AWG图表线规计算线规计算器* @ 68°F或20°C
**结果可能会因实际导线而异:材料的电阻率和导线中的股数不同
压降计算器►
AWG图表AWG编号直径(英寸)直径mm面积(kcmil)面积(mm 2)0000(4/0)0.460011.6840211.6000107.2193000(3/0)0.409610.4049167.806485.028800(2/0)0.36489.2658133.076567.43090(1/0)0.32498.2515105.534553.47511 0.28937.348183.692742.40772 0.25766.543766.371333.63083 0.22945.827352.634826.67054 0.20435.189441.741321.15065 0.18194.621333.102416.77326 0.16204.115426.251413.30187 0.14433.664920.818310.54888 0.12853.263616.50978.36569 0.11442.906413.09276.634210 0.10192.588210.38305.261211 0.09072.30488.23414.172312 0.08082.05256.52993.308813 0.07201.82785.17852.624014 0.06411.62774.10672.080915 0.05711.44953.25681.650216 0.05081.29082.58271.308717 0.04531.14952.04821.037818 0.04031.02371.62430.823019 0.03590.91161.28810.652720 0.03200.81181.02150.517621 0.02850.72290.81010.410522 0.02530.64380.64240.325523 0.02260.57330.50950.258224 0.02010.51060.40400.204725 0.01790.45470.32040.162426 0.01590.40490.25410.128827 0.01420.36060.20150.102128 0.01260.32110.15980.081029 0.01130.28590.12670.064230 0.01000.25460.10050.050931 0.00890.22680.07970.040432 0.00800.20230.06320.032033 0.00710.17980.05010.025434 0.00630.16010.03980.020135 0.00560.14260.03150.016036 0.00500.12700.02500.012737 0.00450.11310.01980.010038 0.00400.10070.01570.008039 0.00350.08970.01250.006340 0.00310.07990.00990.0050线规计算线径计算以英寸(in)为单位的n根规线直径d n等于0.005in乘以92的幂乘以36的力减去表号n,再除以39:
d n(输入) = 0.005 in×92 (36- n)/ 39
以毫米(mm)为单位的n号线规直径d n等于0.127mm乘以92的幂乘以36的力减去表号n,再除以39:
d n(毫米) = 0.127 mm×92 (36- n)/ 39
导线截面积的计算第n根规线的横截面积A n以千圆密耳(kcmil)为单位,是平方线径d的1000倍,以英寸(in)为单位:
A n(kcmil) = 1000× d n 2 = 0.025 in 2 ×92 (36- n)/19.5
n线规导线的横截面积A n以平方英寸(in 2)等于pi除以以平方英寸以平方英寸为单位的线径d的4倍(in):
A n(in 2 ) =(π/ 4)× d n 2 = 0.000019635 in 2 ×92 (36- n)/19.5
n线规导线的横截面积A n以平方毫米(mm 2)为单位等于pi除以以平方毫米为单位的直径d以毫米(mm)为单位的4倍:
A n(mm 2 ) =(π/ 4)× d n 2 = 0.012668 mm 2 ×92 (36- n)/19.5
线电阻计算以欧姆/千英尺(Ω/ kft)为单位的n号线电阻R等于0.3048×1000000000倍以欧姆米(Ω·m)为单位的电阻率ρ除以25.4 2倍以平方英寸为单位的横截面积A n(在2):
R n(Ω/ kft) = 0.3048×10 9 × ρ (Ω·m) /(25.4 2 × A n(in 2 ))
以欧姆每公里(Ω/ km)为单位的n线规电阻R等于线的电阻率Ω以米(Ω·m)为单位的电阻率ρ除以以平方毫米(mm 2)为单位的横截面积A n等于1000000000 :
R n(Ω/ km) = 10 9 × ρ (Ω·m) / A n(mm 2 )
也可以看看AWG到mm的计算器SWG到mm的计算器电压降计算器英寸到毫米转换器