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Standard Wire Gauge (SWG) or British Standard Gauge, Table, Chart

Er. Parbhakar Dwivedi
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Standard Wire Gauge (SWG) or British Standard Gauge: It is a standard tool which is circular in shape. It was derived from the British Standard Wire Gauge, dropping the British part eventually

In general, an SWG wire would be bigger than an AWG wire of the same gauge.

Formulas:

Wire Cross Section Area:

An = (3.1415/4) x dn x dn

dn is wire Diameter in (mm), Diameter in (inch)

Standard Wire Gauge (SWG) Table / Chart
SWG (Standard Wire Gauge) Diameter in (mm) Diameter in (inch) Area in (mm2)
0000000 (7/0) 12.7000 0.5000 126.6769
000000 (6/0) 11.7860 0.4640 109.0921
00000 (5/0) 10.9730 0.4320 94.5638
0000 (4/0) 10.1600 0.4000 81.0732
000 (3/0) 9.4490 0.3720 70.1202
00 (2/0) 8.8390 0.3480 61.3643
0 (1/0) 8.2360 0.3240 53.1921
1 7.6200 0.3000 45.6037
2 7.0100 0.2760 38.5989
3 6.4010 0.2520 32.1780
4 5.8930 0.2320 27.2730
5 5.3850 0.2120 22.7735
6 4.8770 0.1920 18.6793
7 4.4700 0.1760 15.6958
8 4.0640 0.1600 12.9717
9 3.6580 0.1440 10.5071
10 3.2510 0.1280 8.3019
11 2.9460 0.1160 6.8183
12 2.6420 0.1040 5.4805
13 2.3370 0.0920 4.2888
14 2.0320 0.0800 3.2429
15 1.8290 0.0720 2.6268
16 1.6260 0.0640 2.0755
17 1.4220 0.0560 1.5890
18 1.2190 0.0480 1.1675
19 1.0160 0.0400 0.8107
20 0.9140 0.0360 0.6567
21 0.8130 0.0320 0.5189
22 0.7110 0.0280 0.3973
23 0.6100 0.0240 0.2919
24 0.5590 0.0220
25 0.5080 0.0200 0.2027
26 0.4570 0.0180 0.1642
27 0.4170 0.0164 0.1363
28 0.3760 0.0148 0.1110
29 0.3450 0.0136 0.0937
30 0.3150 0.0124 0.0779
31 0.2950 0.0116 0.0682
32 0.2740 0.0108 0.0591
33 0.2540 0.0100 0.0507
34 0.2340 0.0092 0.0429
35 0.2130 0.0084 0.0358
36 0.1930 0.0076 0.0293
37 0.1730 0.0068 0.0234
38 0.1520 0.0060 0.0182
39 0.1320 0.0052 0.0137
40 0.1220 0.0048 0.0117
41 0.1120 0.0044 0.0098
42 0.1020 0.0040 0.0081
43 0.0910 0.0036 0.0066
44 0.0810 0.0032 0.0052
45 0.0710 0.0028 0.0040
46 0.0610 0.0024 0.0029
47 0.0510 0.0020 0.0020
48 0.0410 0.0016 0.0013
49 0.0300 0.0012 0.0007
50 0.0250 0.0010 0.0005

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