Wire Gage (British and American)
General Engineering Reviews | Engineering Applications and Design
Wire guage including Washburn and Moen, British Imperial Standard, Birmingham or St ubs, American AWG Brown and sharp.
Gauge | Washburn & Moen | British Imperial Standard (S.W.G.) | Birmingham or Stubs | American (A.W.G.) or Brown & Sharpe |
7/0 | .4900" | .500" | --- | --- |
6/0 | .4615" | .464" | --- | .5800" |
5/0 | .4305" | .432" | .500" | .5165" |
4/0 | .3938" | .400" | .454" | .4600" |
3/0 | .3625" | .372" | .425" | .4096" |
2/0 | .3310" | .348" | .380" | .3648" |
1/0 | .3065" | .324" | .340" | .3249" |
1 | .2830" | .300" | .300" | .2893" |
2 | .2625" | .276" | .284" | .2576" |
3 | .2437" | .252" | .259" | .2294" |
4 | .2253" | .232" | .238" | .2043" |
5 | .2070" | .212" | .220" | .1819" |
6 | .1920" | .192" | .203" | .1620" |
7 | .1770" | .176" | .180" | .1442" |
8 | .1620" | .160" | .165" | .1284" |
9 | .1483" | .144" | .148" | .1144" |
10 | .1350" | .128" | .134" | .1018" |
11 | .1205" | .116" | .120" | .0907" |
12 | .1055" | .104" | .109" | .0808" |
13 | .0915" | .092" | .095" | .0719" |
14 | .0800" | .080" | .083" | .0640" |
15 | .0720" | .072" | .072" | .0570" |
16 | .0625" | .064" | .065" | .0508" |
17 | .0540" | .056" | .058" | .0452" |
18 | .0475" | .048" | .049" | .0403" |
19 | .0410" | .040" | .042" | .0358" |
20 | .0348" | .036" | .035" | .0319" |
Gauge Number | Washburn & Moen | British Imperial Standard (S.W.G.) | Birmingham or Stubs | American (A.W.G.) or Brown & Sharpe |
21 | .0317" | .032" | .032" | .0284" |
22 | .0286" | .028" | .028" | .0253" |
23 | .0258" | .024" | .025" | .0225" |
24 | .0230" | .022" | .022" | .0201" |
25 | .0204" | .020" | .020" | .0179" |
26 | .0181" | .018" | .018" | .0159" |
27 | .0173" | .0164" | .016" | .0141" |
28 | .0162" | .0148" | .014" | .0126" |
29 | .0150" | .0136" | .013" | .0112" |
30 | .0140" | .0124" | .012" | .0100" |
31 | .0132" | .0116" | .010" | .0089" |
32 | .0128" | .0108" | .009" | .0079" |
33 | .0118" | .0100" | .008" | .0070" |
34 | .0104" | .0092" | .007" | .0063" |
35 | .0095" | .0084" | .005" | .0056" |
36 | .0090" | .0076" | .004" | .0050" |
37 | .0085" | .0068" | --- | .0044" |
38 | .0080" | .0060" | --- | .0039" |
39 | .0075" | .0052" | --- | .0035" |
40 | .0070" | .0048" | --- | .0031" |
41 | .0066" | .0044" | --- | .00280" |
42 | .0062" | .0040" | --- | .00249" |
43 | .0060" | .0036" | --- | .00222" |
44 | .0058" | .0032" | --- | .00198" |
45 | .0055" | .0028" | -- | .00176" |
46 | .0052" | .0024" | --- | .00157" |
47 | .0050" | .0020" | --- | .00140" |
48 | .0048" | .0016" | --- | .00124" |
49 | .0046" | .0012" | -- | .00111" |
50 | .0044" | .0010" | -- | .00099 |