WIRE GAUGES
Revised 2-15-06

Number
of Wire Gauge
American
or Brown
& Sharpe
Birmingham
or Stubs'
Iron Wire
Washburn & Moen,
Worcester
W & M
Steel Music
Wire
American
S & W Co's
Music Wire
Gauge
Imperial
Wire
Gauge
Stubs'
Steel
Wire
 US Std Gauge for
Sheet and Plate Iron
& Steel
Number 
of Wire 
Gauge
00000000
-
-
-
 .0083
-
-
-
-
00000000
0000000
-
-
-
 .0087
-
-
-
-
0000000
000000
-
-
-
 .0095
.004
 .464
-
.46875
000000
00000
-
-
-
 .010
.005
 .432
-
.4375
00000
0000
.460
 .454
.3938
 .011
.006
 .400
-
.40625
0000
000
.40964 
 .425
 .3625
 .012
.007
 .372
-
.375
000
00
 .3648
 .380
 .3310
 .0133
.008
 .348
-
.34375
00
0
 .32486
 .340
 .3065
 .0144
.009
 .324
-
.3125
0
1
 .2893
 .300
 .2830
 .0156
.010
 .300
 .227
.28125
1
2
 .25763
.284 
 .2625
 .0166
.011
 276
 .219
.265625
2
3
 .22942
.259
 .2437
 .0178
.012
 .252
 .212
.250
3
4
 .20431
 .238
 .2253
 .0188
.013
 .232
 .207
.234375
4
5
 .18194
 .220
 .2070
 .0202
.014
 .212
 .204
.21875
5
6
 .16202
 .203
 .1920
 .0215
.016
 .192
 .201
.203125
6
7
 .14428
 .180
 .1770
 .023
.018
 .176
 .199
.1875
7
8
 .12849
 .165
 .1620
 .0243
.020
 .160
 .197
.171875
8
9
 .11443
 .148
 .1483
 0256
.022
 .144
 .194
.15625
9
10
 .10189
 .134
 .1350
 027
.024
 .128
 .191
.140625
10
11
 .090742
 120
 .1205
 .0284
.026
 .116
 .188
.125
11
12
 .080808
 .109
 .1055
 .0296
.029
 .104
 .185
.09375
12
13
 .071961
 .095
 .0915
 .0314
 .031
 .092
 .182
.09375
13
14
 .064084
 .083
 .0800
 .0326
 .033
 .080
 .180
.078125
14
15
 .057068
 .072
 .0720
 .0345
 .035
 .072
 .178
.0703125
15
16
 .05082
 .065
 .0625
 .036
 .037
 .064
 .175
.0625
16
17
 .045257
 .054
 .0540
 .0377
 .039
 .056
 .172
.05625
17
18
 .040303
 .049
 .0475
 .0395
 .041
 .048
 .168
.050
18
19
 .03589
 .042
 .0410
 .0414
 .043
 .040
 .164
.04375
19
20
 .031961
 .035
 .0348
 .0434
 .045
 .036
 .161
.0375
20
21
 .028462
 .032
 .03175
 .046
 .047
 .032
 .157
.034375
21
22
 .025347
 .028
 .0286
 .0483
 .049
 .028
 .155
.03125
22
23
 .022571
 .025
 .0258
 .051
 .051
 .024
 .153
.028125
23
24
 .0201
 .022
 .0230
 .055
 .055
 .022
 .151
.025
24
25
 .0179
 .020
 .0204
 .0586
 .059
 .020
 .148
.021875
25
26
 .01594
 .018
 .0181
 .0626
 .063
 .018
 .146
.01875
26
27
 .014195
 .016
 .0173
 .0658
 .067
 .0164
 .143
.0171875
27
28
 .012641
 .014
 .0162
 .072
 .071
 .0149
 .139
.015625
28
29
 .011257
 .013
 .0150
 .076
 .075
 .0136
 .134
.0140625
29
30
 .010025
 .012
 .0140
 .080
 .080
 .0124
 .127
.0125
30
31
 .008928
 .010
 .0132
 -
 .085
.0116
 .120
.0109375
31
32
 .00795
 .009
 .0128
-
 .090
 .0108
 .115
.01015625
32
33
 .00708
 .008
 .0118
-
 .095
.0100 
 .112
.009375
33
34
 .006304
 .007
 .0104
-
 
 .0092
 .110
.00859375
34
35
 .005614
 .005
 .0095
-
 
 .0084
 .108
.0078125
35
36
 .005
 .004
 .0090
-
 
 .0076
 .106
.00703125
36
37
 .004453
 -
 -
-
 
 .0068
 .103
.00664062
37
38
 .003965
 -
 -
-
 
 .0060
 .101
.00625
38
39
 .003531
 -
 -
-
 
 .0052
 .099
-
39
40
 .003144
- 
 -
-
 
 .0048
 .097
-
40
 
Index