AWG美国线规与公制对照表.pdf

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1、AWG与公制、英制单位的对照表外径截面积电阻值外径截面积AWGAWG公制mm英制inch(mm2)(Ω/km)公制mm英制inch(mm2)4/011.680.46107.220.17220.6430.02530.32473/010.40.409685.010.21230.5740.02260.25882/09.270.364867.430.26240.5110.02010.20471/08.250.324953.490.33250.440.01790.162417.350.289342.410.42260.4040.01590.

2、128126.540.257633.620.53270.3610.01420.102135.830.229426.670.66280.320.01260.080445.190.204321.150.84290.2870.01130.064754.620.181916.771.06300.2540.010.050764.110.16213.31.33310.2260.00890.040173.670.144310.551.68320.2030.0080.031683.260.12858.372.11330.180.00710.025

3、592.910.11446.632.67340.160.00630.0201102.590.10195.263.36350.1420.00560.0169112.30.09074.174.24360.1270.0050.0127122.050.08083.3325.31370.1140.00450.0098131.820.0722.6276.69380.1020.0040.0081141.630.06412.0758.45390.0890.00350.0062151.450.05711.64610.6400.0790.00310.

4、0049161.290.05081.31813.5410.0710.00280.004171.150.04531.02616.3420.0640.00250.0032181.020.04030.810721.4430.0560.00220.0025190.9120.03590.566726.9440.0510.0020.002200.8130.0320.518933.9450.0460.00180.0016210.7240.02850.411642.7460.0410.00160.0013其中，4/0表示0000，3/0表示000

5、，2/0表示00，1/0表示0。例如，常用的电话线直径为26AWG，约为0.4mm。该表是美国线规（AWG)与公制、英制单位的对应表格，希望对您有所帮助！美国线规AWG与公制MM换算计算方法通常用AWG(AmericanWireGauge,美国线规)或者密耳圆(CircularMil,直径1mil即0.001inch的导体的截面积)1cmil=(1mil)2例如:36AWG=5mils4/0AWG=460mils问：怎样由AWG换算出mils？答：每AWG之间呈等比数列递增，等比“X”算法：x=｛(460/5)的1/39次方｝-1

6、=0.122932mils其中39为4/0AWG与36AWG之间的AWG数(B)AWG=5*｛(1+X)的b次方｝其中b为B与36AWG之间的间隔数例34AWG=5*(1+0.122932)2=6.3mils=0.16mm18AWG=5*(1+0.122932)18=40.3mils=1.023mm(导体直径）电阻值(Ω/km)54.348.589.479.61431282272893613215839449561,2001,5301,3772,4002,1004,0803,6856,3005,54410,2009,18016,3

7、00