AWG Wire Gauge Comparison Table | MachineMFG

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AWG Wire Gauge Comparison Table

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Commonly used wire gauge comparison table, wire diameter AWG comparison table

AWG (American Wire Gauge) is a standard for distinguishing wire diameters, also known as the Brown & Sharpe wire gauge.

This standardized wire gauge system began to be used in the United States in 1857. The number in front of AWG (such as 24 AWG, 26 AWG) represents the number of holes a wire has to pass through before it reaches its final diameter.

The larger the number, the more holes the wire passes through, and the smaller the diameter of the wire. SWG (Standard Wire Gauge) is one of the standards in the wire and cable industry. BWG (Birmingham Wire Gauge) refers to the Birmingham wire gauge, which indicates the thickness or diameter of the material.

WireGaugeSWGBWGBGAWG
InchmmInchmmInchmmInchmm
7/00.512.70.666616.932
6/00.46411.7860.62515.8750.5814.732
5/00.43210.9730.512.70.588314.9430.516513.119
4/00.410.160.45411.5320.541613.7570.4611.684
3/00.3729.4490.42510.7950.512.70.409610.404
2/00.3488.8390.339.6520.115211.3080.36489.266
00.3248.230.348.6390.395410.0690.32498.252
10.37.620.37.620.35328.9710.28937.348
20.2767.010.2847.2140.31477.9930.25766.544
30.2526.4010.2596.5790.28047.1220.22945.827
40.2325.8930.2386.0450.256.350.20435.189
50.2125.3850.225.5880.22255.6520.18194.621
60.1924.8770.2035.1560.19815.0320.1624.115
70.1764.470.184.5720.17644.4810.14433.665
80.164.0460.1654.1910.1573.9880.12853.264
90.1443.6580.1483.7590.13983.5510.11442.906
100.1283.2510.1343.4040.1253.1750.10192.588
110.1162.9460.123.0480.13132.8270.09072.305
120.1042.6420.1092.7690.09912.5170.08082.053
130.0922.3370.0952.4130.08822.240.0721.828
140.082.0320.0832.1080.07851.9940.06481.628
150.0721.8290.0721.8290.06991.7750.05711.45
160.0641.6260.0651.6510.06251.5880.05081.291
170.0561.4220.0581.4730.05561.4120.04531.15
180.0481.2190.0491.2450.04951.2570.04031.024
190.041.0160.0421.0670.0441.1180.03590.912
200.0360.9140.0350.8390.03920.9960.0320.812
210.0320.8130.0320.8130.03490.8870.02850.723
220.0280.7110.0280.7110.031250.7940.025350.644
230.0240.610.0250.6350.027820.7070.02010.573
240.0220.5590.0220.5590.024760.6290.01790.511
250.020.5080.020.5080.022040.560.015940.455
260.0180.4570.0180.4570.019610.4980.01420.405
270.01640.4170.0160.4060.17450.4430.01420.361
280.01490.3760.0140.3560.015620.3970.012640.321
290.01360.3450.0130.330.01390.3530.011260.286
300.01240.3150.0120.3050.01230.3120.010030.255
310.01160.2950.010.2540.0110.270.008930.227
320.01090.2740.0090.2290.00980.2490.007950.202
330.010.2540.0080.2030.00870.2210.007080.18
340.00920.2340.0070.1780.00770.1960.00630.16
350.00840.2130.0050.1270.00690.1750.005610.143
360.00760.1930.0040.1020.00610.1550.0050.127
370.00680.1730.00540.1370.004450.113
380.0060.1520.00480.1220.003960.101
390.00520.1320.00430.1090.003530.09
400.00480.1220.003860.0980.003140.08
410.00440.1120.003430.0870.00280.071
420.0040.1020.003060.0780.002490.063
430.00360.0910.002720.0690.002220.056
440.00320.0810.002420.0610.001980.05
450.00280.0710.002150.0550.001760.048
460.00240.0610.001920.0490.001570.046
470.0020.0510.00170.0430.00140.035
480.00160.0410.001520.0390.001240.032
490.00120.030.001350.0340.001110.028
500.0010.0250.00120.030.000990

Conductor Resistance, AWG Wire Gauge, Wire Diameter Comparison Table

Resistivity is a physical quantity used to represent the electrical resistance characteristics of various materials. The resistance of a wire made of a certain material, 1 meter long, with a cross-sectional area of 1 square millimeter, and at room temperature (20℃), is called the resistivity of this material.

According to Ohm’s Law: R=PL/S, the resistance of the conductor can be calculated. R is resistance, in ohms. P is resistivity, in ohm-meters, and is related to the material of the conductor. L is the length of the conductor, in meters. S is the cross-sectional area of the conductor, in square meters.

GaugeInchesDiameterCrosssect.AreaConductorResistance
DCR@20℃
Weight
AWGmilsmmCirc.milsSq.mmohms/MOhms/kmLbs./mkg/km
400.00313.10.0799.60.0049108035400.02910.0433
390.00353.50.08912.30.006284727800.03710.0552
380.00440.102160.008164821300.04840.72
370.00454.50.11420.30.010351216800.06130.0912
360.00550.127250.012741513600.07570.113
350.00565.60.14231.40.015933110800.09490.141
340.00636.30.1639.70.02012618570.120.179
330.00717.10.1850.40.02552066750.1530.228
320.00880.203640.03241625320.1940.289
310.00898.90.22679.20.04011314300.240.357
300.01100.2541000.05071043400.3030.451
290.011311.30.2871280.064981.22660.3870.576
280.012612.60.321590.080665.32140.4810.716
270.014214.20.3612020.10251.41690.610.908
260.015915.90.4042530.128411350.7651.14
250.017917.90.4553200.16232.41060.971.44
240.020120.10.5114040.20525.784.21.221.82
230.026622.60.5745110.25920.366.61.552.31
220.025325.30.6436400.32416.253.21.942.89
210.028528.50.7248120.41112.841.92.463.66
200.032320.81310200.51910.133.23.14.61
190.035935.90.91212900.6538.0526.43.95.8
180.040340.31.0216200.8236.39214.927.32
170.045345.31.1520501.045.0516.66.219.24
160.050850.81.2925801.314.0213.27.8111.6
150.057157.11.4532601.653.1810.49.8714.7
140.064164.11.63411020.82.528.2812.418.5
130.072721.8351802.6326.5615.723.4
120.080880.82.0565303.311.595.2119.829.5
110.090790.72.382304.171.264.1424.937.1
100.1019101.92.588103805.260.99883.2331.446.8
90.1144114.42.906130906.630.79252.639.659
80.1285128.53.265165108.370.62812.0615074.4
70.1443144.33.6552082010.550.49811.6346393.8
60.1621624.1152624013.30.39521.29679.4118
50.1819181.94.623309016.770.31341.028100149
40.2043204.35.1894174021.150.24850.8152126188
30.2294229.45.8275262026.670.19170.6466159237
20.2576257.66.5436636033.620.15630.5128201299
10.2893289.37.3488369042.410.12390.4065253377
1/00.3249324.98.25210560053.490.039250.3223319476
2/00.3648364.89.26613310067.430.077930.2557403599
3/00.4096409.610.416780085.010.061820.2028508756
4/00.4646011.68211600107.220.049010.1608641953

Copper Wire Gauge Chart

AWGDiameterAreaWeight
Kg/km
No./mm
MilsmmC.M.in2mm2
1289.37.34883.6940.0657342.413771/7.349
8.50837919/1.690
8.50037937/1.210
8.48037761/0.941
2257.66.54466.3580.0521233.632991/6544
7.4102997/2.474
7.55129919/1.502
7.59030237/1.080
4204.35.18941.7380.0327821.151881/5.190
5.9601887/1.962
5.99118819/1.191
5.99218837/0.854
6.032188133/0.450
6.036192.2420/0.254
61624.11526.2440.0 206113.3118.21/4.116
4.770119.07/1.560
4.829120.019/0.950
4.749118.037/0.677
4.803121.0266/0.254
8128.53.26416.5120.012978.36874.391/3.265
3.69074.437/1.234
3.77174.6019/0.749
3.76074.4037/0.537
3.78375.00133/0.284
10101.92.58810.3840.0081565.26246.781/2.589
2.96146.947/0.980
3.00547.4019/0.595
3.01747.80105/0.254
2.97446.40259/0.160
1280.812.0536.530.0051293.30929.421/2.053
2.32529.437/0.776
2.37129.3719/0.471
2.36529.5865/0.254
2.39530.10168/0.160
1464.081.6284.1060.0032252.08118.501/1.630
1.84518.537/0.616
1.87718.5019/0.374
1.88518.6641/0.254
1.89418.81105/0.160
1650.821.2912.5830.00 20291.30911.641/1.291
1.46411.677/0.488
1.50211.8326/0.254
1.48311.6565/0.160
1840.31.0241.6240.0012750.82267.3211/1.024
1.1927.4347/0.390
1.1787.28016/0.254
1.2127.54034/0.180
1.1637.16041/0.160
20300.81181.0210.00080190.51744.601/0.813
0.96004.707/0.310
0.94214.6521/0.180
0.93054.5426/0.160
2225.350.6439624.60.00050470.32562.8951/0.645
0.76503.1867/0.254
0.75242.97017/0.160
2420.10.51064040.00031730.20471.8201/0.511
0.60001.0607/0.200
0.605251.92011/0.160
2615.940.40490254.10.00019960.12881.1451/0.404
0.474001.2237/0.160
2812.640.32110159.80.00012550.080970.71981/0.322
0.381000.79037/0.127
3010.030.25480100.60.00079010.050970.45311/0.254
0.300000.49007/0.100
327.9500. 2091 063.200.000049640.032030.28477/0.080
346.3050.1601039.750.000031220.0 20140.17901/0.161
3650.12700250.000019630.012670.11261/0.128
383.9650. 100715.720.000012350.0079680.070841/0.102
403.1450.079879.8910.0000077680.00
2012
0.044561/0.080

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