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 |
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