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Gauge Conversion Chart
GAUGE
no.		 SWG AWG or B&S Manufacturer's
Standard		 BWG
7/0 0.5000 - - -
6/0 0.4640 0.5800 - -
5/0 0.4320 0.5165 - 0.500
4/0 0.4000 0.4600 - 0.454
3/0 0.3720 0.4096 - 0.425
2/0 0.3480 0.3648 - 0.380
0 0.3240 0.3249 - 0.340
1 0.3000 0.2893 - 0.300
2 0.2760 0.2576 - 0.284
3 0.2520 0.2294 0.2391 0.259
4 0.2320 0.2043 0.2242 0.238
5 0.2120 0.1819 0.2092 0.220
6 0.1920 0.1620 0.1943 0.203
7 0.1760 0.1443 0.1793 0.180
8 0.1600 0.1285 0.1644 0.165
9 0.1440 0.1144 0.1495 0.148
10 0.1280 0.1019 0.1345 0.134
11 0.1160 0.0907 0.1196 0.120
12 0.1040 0.0808 0.1046 0.109
13 0.0920 0.0720 0.0897 0.095
14 0.0800 0.0641 0.0747 0.083
15 0.0720 0.0571 0.0673 0.072
16 0.0640 0.0508 0.0598 0.065
17 0.0560 0.0453 0.0538 0.058
18 0.0480 0.0403 0.0478 0.049
19 0.0400 0.0359 0.0418 0.042
20 0.0360 0.0320 0.0359 0.035
21 0.0320 0.0285 0.0329 0.032
22 0.0280 0.0253 0.0299 0.028
23 0.0240 0.0226 0.0269 0.025
24 0.0220 0.0201 0.0239 0.022
25 0.0200 0.0179 0.0209 0.020
26 0.0180 0.0159 0.0179 0.018
27 0.0164 0.0142 0.0164 0.016
28 0.0148 0.0126 0.0149 0.014
29 0.0136 0.0113 0.0135 0.013
30 0.0124 0.0100 0.0120 0.012
31 0.0116 0.0089 0.0105 0.010
32 0.0108 0.0080 0.0097 0.009
33 0.0100 0.0071 0.0090 0.008
34 0.0092 0.0063 0.0082 0.007
35 0.0084 0.0056 0.0075 0.005
36 0.0076 0.0050 0.0067 0.004
37 0.0068 0.0045 0.0064 -
38 0.0060 0.0040 0.0060 -
39 0.0052 0.0035 - -
40 0.0048 0.0031 - -
41 0.0044 0.0028 - -
42 0.0040 0.0025 - -
43 0.0036 0.0022 - -
44 0.0032 0.0020 - -
45 0.0028 0.0018 - -
46 0.0024 0.0016 - -
47 0.0020 0.0014 - -
48 0.0016 0.0012 - -
49 0.0012 0.0011 - -
50 0.0010 0.0010 - -
51 - 0.00088 - -
52 - 0.00078 - -
53 - 0.00070 - -
54 - 0.00062 - -
55 - 0.00055 - -
56 - 0.00049 - -

Pipe Schedule/Wall Thickness Chart

Nominal

 O.D.
Inches		 5s 5 10s 10 20 30 40s & Std 40 60 80s & E.H. 80 100 120 140 160 Dbl. E.H.
1/8 .405 - .035 .049 .049 - - .068 .068 - .095 .095 - - - - -
1/4 .540 - .049 .065 .065 - - .088 .088 - .119 .119 - - - - -
3/8 .675 - .049 .065 .065 - - .091 .091 - .126 .126 - - - - -
1/2 .840 .065 .065 .083 .083 - - .109 .109 - .147 .147 - - - .187 .294
3/4 1.050 .065 .065 .083 .083 - - .113 .113 - .154 .154 - - - .218 .308
1 1.315 .065 .065 .109 .109 - - .133 .133 - .179 .179 - - - .250 .358
1-1/4 1.660 .065 .065 .109 .109 - - .140 .140 - .191 .191 - - - .250 .382
1-1/2 1.900 .065 .065 .109 .109 - - .145 .145 - .200 .200 - - - .281 .400
2 2.375 .065 .065 .109 .109 - - .154 .154 .218 .218 - - - .343 .436
2-1/2 2.875 .083 .083 .120 .120 - - .203 .203 - .276 .276 - - - .375 .552
3 3.500 .083 .083 .120 .120 - - .216 .216 - .300 .300 - - - .437 .600
3-1/2 4.000 .083 .083 .120 .120 - - .226 .226 - .318 .318 - - - - .636
4 4.500 .083 .083 .120 .120 - - .237 .273 .281 .337 .337 - .437 - .531 .674
4-1/2 5.000 - - - - - - .247 - - .355 - - - - - .710
5 5.563 .109 .109 .134 .134 - - .258 .258 - .375 .375 - .500 - .625 .750
6 6.625 .109 .109 .134 .134 - - .280 .280 - .432 .432 - .562 - .718 .864
7 7.625 - - - - - - .301 - - .500 - - - - - .875
8 8.625 .109 .109 .148 .148 .250 .277 .322 .322 .406 .500 .500 .593 .718 .812 .906 .875
9 9.625 - - - - - - .342 - - .500 - - - - - -
10 10.750 .134 .134 .165 .165 .250 .307 .365 .365 .500 .500 .593 .718 .843 1.000 1.125 -
11 11.750 - - - - - - .375 - - .500 - - - - - -
12 12.750 .156 .165 .180 .180 .250 .330 .375 .406 .562 .500 .687 .843 1.000 1.125 1.312 -
14 14.000 .156 - .188 .250 .312 .375 .375 .437 .593 .500 .750 .937 1.093 1.250 1.406 -
16 16.000 .165 - .188 .250 .312 .375 .375 .500 .656 .500 .843 1.031 1.218 1.437 1.593 -
18 18.000 .165 - .188 .250 .312 .437 .375 .562 .750 .500 .937 1.156 1.375 1.562 1.781 -
20 20.000 .188 - .218 .250 .375 .500 .375 .593 .812 .500 1.031 1.280 1.500 1.750 1.968 -
24 24.000 .218 - .250 .250 .375 .562 .375 .687 .968 .500 1.218 1.531 1.812 2.062 2.343 -
26 26.000 - - - .312 .500 - .375 - - .500 - - - - - -
28 28.000 - - - 312 .500 .625 .375 - - - - - - - - -
30 30.000 .250 - .312 .312 .500 .625 .375 - - .500 - - - - - -
32 32.000 - - - .312 .500 .625 .375 .688 - .500 - - - - - -
34 34.000 - - - .312 .500 .625 .375 .688 - - - - - - - -
36 36.000 - - - .312 - .625 .375 .750 - .500 - - - - - -


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