Metal Gauge Chart | Gauge to mm | Gauge to Inch
Posted by SHIM STOCK METALS TEAM
Metal Gauge Charts
| Click to Jump Directly to the required table: |
| Carbon Steel Gauge Chart |
| Aluminium Gauge Chart |
| Stainless Steel Gauge Chart |
| Galvanized Steel Gauge Chart |
| Brass Gauge Chart |
| Copper Gauge Chart |
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Carbon Steel Gauge Chart |
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| Gauge Number |
Inches | MM |
| 7 | .1793 | 4.554 |
| 8 | .1644 | 4.175 |
| 9 | .1495 | 3.797 |
| 10 | .1345 | 3.416 |
| 11 | .1196 | 3.038 |
| 12 | .1046 | 2.656 |
| 14 | .0747 | 1.897 |
| 16 | .0598 | 1.518 |
| 18 | .0478 | 1.214 |
| 20 | .0359 | .911 |
| 22 | .0299 | .759 |
| 24 | .0239 | .607 |
| 26 | .0179 | .454 |
| 28 | .0149 | .378 |
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Aluminium Gauge Chart
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| Gauge Number |
Inches | MM |
| 7 | .1443 | 3.665 |
| 8 | .1285 | 3.264 |
| 9 | .1144 | 2.906 |
| 10 | .1019 | 2.588 |
| 11 | .09074 | 2.305 |
| 12 | .08081 | 2.053 |
| 14 | .06408 | 1.628 |
| 16 | .05082 | 1.291 |
| 18 | .04030 | 1.024 |
| 20 | .03196 | .812 |
| 22 | .02535 | .644 |
| 24 | .02010 | .511 |
| 26 | .01594 | .405 |
| 28 | .01264 | .321 |
| 30 | .01003 | .255 |
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Stainless Steel Gauge Chart
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| Gauge Number |
Inches | MM |
| 8 | .17187 | 4.365 |
| 9 | .15625 | 3.968 |
| 10 | .14062 | 3.571 |
| 11 | .125 | 3.175 |
| 12 | .10937 | 2.778 |
| 14 | .07812 | 1.984 |
| 16 | .0625 | 1.587 |
| 18 | .050 | 1.270 |
| 20 | .0375 | .9525 |
| 22 | .03125 | .7937 |
| 24 | .025 | .635 |
| 26 | .01875 | .476 |
| 28 | .01562 | .396 |
| 30 | .0125 | .3175 |
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Galvanized Steel Gauge Chart
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| Gauge Number |
Inches | MM |
| 8 | .1681 | 4.269 |
| 9 | .1532 | 3.891 |
| 10 | .1382 | 3.510 |
| 11 | .1233 | 3.1318 |
| 12 | .1084 | 2.753 |
| 14 | .0785 | 1.9939 |
| 16 | .0635 | 1.6129 |
| 18 | .0516 | 1.310 |
| 20 | .0396 | 1.005 |
| 22 | .0336 | .853 |
| 24 | .0276 | .701 |
| 26 | .0217 | .551 |
| 28 | .0187 | .474 |
| 30 | .0157 | .398 |
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Brass Gauge Chart
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| Gauge Number |
Inches | MM |
| 7 | .1443 | 3.665 |
| 8 | .1285 | 3.264 |
| 9 | .1144 | 2.906 |
| 10 | .1019 | 2.588 |
| 11 | .09074 | 2.305 |
| 12 | .08081 | 2.053 |
| 14 | .06408 | 1.628 |
| 16 | .05082 | 1.291 |
| 18 | .04030 | 1.024 |
| 20 | .03196 | .812 |
| 22 | .02535 | .644 |
| 24 | .02010 | .511 |
| 26 | .01594 | .405 |
| 28 | .01264 | .321 |
| 30 | .01003 | .255 |
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Copper Gauge Chart
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| Gauge Number |
Inches | MM |
| 7 | .180 | 4.572 |
| 8 | .165 | 4.191 |
| 9 | .148 | 3.759 |
| 10 | .134 | 3.404 |
| 11 | .120 | 3.048 |
| 12 | .109 | 2.769 |
| 14 | .083 | 2.108 |
| 16 | .065 | 1.651 |
| 18 | .049 | 1.245 |
| 20 | .035 | .889 |
| 22 | .028 | .711 |
| 24 | .022 | .559 |
| 26 | .018 | .457 |
| 28 | .014 | .356 |
| 30 | .012 | .305 |
*Actual thickness will vary due to tolerances.