| gauge | Thickness | |||
| Mild Steel Sheet | Brass & Aluminum | U.S. Steel Wire | Music Wire | |
| 0000000 | n/a | n/a | 0.3938 | n/a |
| 000000 | n/a | 0.5800 | 0.4615 | 0.004 |
| 00000 | n/a | 0.5165 | 0.4305 | 0.005 |
| 0000 | n/a | 0.4600 | 0.3938 | 0.006 |
| 000 | n/a | 0.4096 | 0.3625 | 0.007 |
| 00 | n/a | 0.3648 | 0.3310 | 0.008 |
| 0 | n/a | 0.3249 | 0.3065 | 0.009 |
| 1 | n/a | 0.2893 | 0.2830 | 0.010 |
| 2 | n/a | 0.2576 | 0.2625 | 0.011 |
| 3 | 0.2391 | 0.2294 | 0.2437 | 0.012 |
| 4 | 0.2242 | 0.2043 | 0.2253 | 0.013 |
| 5 | 0.2092 | 0.1819 | 0.2070 | 0.014 |
| 6 | 0.1943 | 0.1620 | 0.1920 | 0.016 |
| 7 | 0.1793 | 0.1443 | 0.1770 | 0.018 |
| 8 | 0.1644 | 0.1285 | 0.1620 | 0.020 |
| 9 | 0.1494 | 0.1144 | 0.1483 | 0.022 |
| 10 | 0.1345 | 0.1019 | 0.1350 | 0.024 |
| 11 | 0.1196 | 0.0907 | 0.1205 | 0.026 |
| 12 | 0.1046 | 0.0808 | 0.1055 | 0.029 |
| 13 | 0.0897 | 0.0720 | 0.0915 | 0.031 |
| 14 | 0.0414 | 0.0641 | 0.0800 | 0.033 |
| 15 | 0.0673 | 0.0571 | 0.0720 | 0.035 |
| 16 | 0.0598 | 0.0508 | 0.0625 | 0.037 |
| 17 | 0.0538 | 0.0453 | 0.0540 | 0.039 |
| 18 | 0.0478 | 0.0403 | 0.0475 | 0.041 |
| 19 | 0.0418 | 0.0359 | 0.0410 | 0.043 |
| 20 | 0.0359 | 0.0320 | 0.0348 | 0.045 |
| 21 | 0.0329 | 0.0285 | 0.0317 | 0.047 |
| 22 | 0.0299 | 0.0253 | 0.0286 | 0.049 |
| 23 | 0.0269 | 0.0226 | 0.0258 | 0.051 |
| 24 | 0.0239 | 0.0201 | 0.0230 | 0.055 |
| 25 | 0.0209 | 0.0179 | 0.0204 | 0.059 |
| 26 | 0.0179 | 0.0159 | 0.0181 | 0.063 |
| 27 | 0.0164 | 0.0142 | 0.0173 | 0.067 |
| 28 | 0.0149 | 0.0126 | 0.0162 | 0.071 |
| 29 | 0.0135 | 0.0113 | 0.0150 | 0.075 |
| 30 | 0.0120 | 0.0100 | 0.0140 | 0.081 |
| 31 | 0.0105 | 0.00893 | 0.0132 | 0.085 |
| 32 | 0.0097 | 0.00795 | 0.0128 | 0.091 |
| 33 | 0.0090 | 0.00708 | 0.0118 | 0.095 |
| 34 | 0.0082 | 0.00630 | 0.0104 | 0.100 |
| 35 | 0.0075 | 0.00561 | 0.0095 | 0.106 |
| 36 | 0.0067 | 0.00500 | 0.0090 | 0.112 |
| 37 | 0.0064 | 0.00445 | 0.0085 | 0.118 |
| 38 | 0.0060 | 0.00396 | 0.0080 | 0.124 |
| 39 | n/a | 0.00353 | 0.0075 | 0.130 |
| 40 | n/a | 0.00314 | 0.0070 | 0.138 |
| 41 | n/a | 0.00280 | 0.0066 | 0.146 |
| 42 | n/a | 0.00249 | 0.0062 | 0.154 |
| 43 | n/a | 0.00222 | 0.0060 | 0.162 |
| 44 | n/a | 0.00198 | 0.0058 | 0.170 |
| 45 | n/a | 0.00176 | 0.0055 | 0.180 |
| 46 | n/a | 0.00157 | 0.0052 | n/a |
| 47 | n/a | 0.00140 | 0.0050 | n/a |
| 48 | n/a | 0.00124 | 0.0048 | n/a |
| 49 | n/a | 0.00111 | 0.0046 | n/a |
| 50 | n/a | 0.00099 | 0.0044 | n/a |