| GAUGE # | BRASS & ALUMINIUM SHEETS | COLD & HOT ROLLED STEEL SHEETS | ALUMINIUM, COPPER, BRASS, & STEEL TUBES. COPPER SHEETS. HOOP STEEL. | STAINLESS STEEL SHEETS | GALVANIZED STEEL SHEETS | |||||
| INCH | MM | INCH | MM | INCH | MM | INCH | MM | INCH | MM | |
| 7 | 0.1443 | 3.665 | 0.1793 | 4.554 | 0.180 | 4.572 | ||||
| 8 | 0.1285 | 3.264 | 0.1644 | 4.175 | 0.165 | 4.191 | 0.17187 | 4.365 | 0.1681 | 4.269 |
| 9 | 0.1144 | 2.906 | 0.1495 | 3.797 | 0.148 | 3.759 | 0.15625 | 3.968 | 0.1532 | 3.891 |
| 10 | 0.1019 | 2.588 | 0.1345 | 3.416 | 0.134 | 3.404 | 0.14062 | 3.571 | 0.1382 | 3.510 |
| 11 | 0.09074 | 2.305 | 0.1196 | 3.038 | 0.120 | 3.048 | 0.125 | 3.175 | 0.1233 | 3.1318 |
| 12 | 0.08081 | 2.053 | 0.1046 | 2.656 | 0.109 | 2.769 | 0.10937 | 2.778 | 0.1084 | 2.753 |
| 14 | 0.06408 | 1.628 | 0.0747 | 1.897 | 0.083 | 2.108 | 0.07812 | 1.984 | 0.0785 | 1.9939 |
| 16 | 0.05082 | 1.291 | 0.0598 | 1.518 | 0.065 | 1.651 | 0.0625 | 1.587 | 0.0635 | 1.6129 |
| 18 | 0.04030 | 1.024 | 0.0478 | 1.214 | 0.049 | 1.245 | 0.050 | 1.270 | 0.0516 | 1.310 |
| 20 | 0.03196 | 0.812 | 0.0359 | 0.911 | 0.035 | 0.889 | 0.0375 | 0.9525 | 0.0396 | 1.005 |
| 22 | 0.02535 | 0.644 | 0.0299 | 0.759 | 0.028 | 0.711 | 0.03125 | 0.7937 | 0.0336 | 0.853 |
| 24 | 0.02010 | 0.511 | 0.0239 | 0.607 | 0.022 | 0.559 | 0.025 | 0.635 | 0.0276 | 0.701 |
| 26 | 0.01594 | 0.405 | 0.0179 | 0.454 | 0.018 | 0.457 | 0.01875 | 0.476 | 0.0217 | 0.551 |
| 28 | 0.01264 | 0.321 | 0.0149 | 0.378 | 0.014 | 0.356 | 0.0562 | 0.396 | 0.0187 | 0.474 |
| 30 | 0.01003 | 0.255 | 0.0120 | 0.305 | 0.012 | 0.305 | 0.0125 | 0.3175 | 0.0157 | 0.398 |