Standard Wire Sizes

Wire Sizes

Metric and English equivalents of Imperial Wire Gauge/size.


SWG inch x103 mm SWG inch x103 mm SWG inch x103 mm
7/0 500 12.7 13 92 2.34 33 10.0 0.254
6/0 464 11.8 14 80 2.03 34 9.2 0.234
5/0 432 11.0 15 72 1.83 35 8.4 0.213
4/0 400 10.2 16 64 1.63 36 7.6 0.193
3/0 372 9.45 17 56 1.42 37 6.8 0.173
18 48 1.22 38 6.0 0.152
00 348 8.84 19 40 1.02 39 5.2 0.132
0 324 8.23 20 36 0.914 40 4.8 0.122
1 300 7.62 21 32 0.813 41 4.4 0.112
2 276 7.01 22 28 0.711 42 4.0 0.102
3 252 6.40 23 24 0.610 43 3.6 0.091
4 232 5.89 24 22 0.559 44 3.2 0.081
5 212 5.38 25 20 0.508 45 2.8 0.071
6 192 4.88 26 18 0.457 46 2.4 0.061
7 176 4.47 27 16.4 0.417 47 2.0 0.051
8 160 4.06 28 14.8 0.376 48 1.6 0.041
9 144 3.66 29 13.6 0.345 49 1.2 0.030
10 128 3.25 30 12.4 0.315 50 1.0 0.025
11 116 2.95 31 11.6 0.295 - -
12 104 2.64 32 10.8 0.274 - -

Metric Wire Size

Aperture Size BS 410-1
:2000
DIN-4188 Aperture Size BS 410-1
:2000
DIN-4188 Aperture Size BS 410-1
:2000
DIN-4188
um (microns) Mesh mm um (microns) Mesh mm um (microns) Mesh mm
5 2500 0.005 106 150 600 25
10 1250 0.01 112 0.112 630 0.63
15 800 0.015 115 0.115 710 22 0.71
20 625 0.02 125 120 0.125 800 0.8
22 0.022 140 0.14 850 18
25 500 0.025 150 100 900 0.9
28 0.028 160 0.16 1000 16 1
32 0.032 180 85 0.18 1120 1.12
36 0.036 200 0.2 1180 14
38 400 212 72 1250 1.25
40 0.04 250 60 0.25 1400 12 1.4
45 350 0.045 280 0.28 1600 1.6
50 0.05 300 52 1700 10
53 300 315 0.315 1800 1.8
56 0.056 355 44 0.355 2000 8 2
63 240 0.063 400 0.4 2240 2.24
71 0.071 425 36 2360 7
75 200 450 0.45 2500 2.5
80 0.08 500 30 0.5 2800 6 2.8
90 170 0.09 560 0.56 3150 3.15
100 0.1 600 25 3350 5