Sheet metal gauge table with thickness in millimeters for steel, galvanized steel, stainless and aluminum.
| Gauge | Steel (mm) | Galvanized (mm) | Stainless (mm) | Aluminum (mm) |
|---|---|---|---|---|
| 3 | 6.073 | — | 6.35 | 5.827 |
| 4 | 5.695 | — | 5.954 | 5.189 |
| 5 | 5.314 | — | 5.555 | 4.62 |
| 6 | 4.935 | — | 5.159 | 4.115 |
| 7 | 4.554 | — | 4.762 | 3.665 |
| 8 | 4.176 | 4.27 | 4.366 | 3.264 |
| 9 | 3.797 | 3.891 | 3.967 | 2.906 |
| 10 | 3.416 | 3.51 | 3.571 | 2.588 |
| 11 | 3.038 | 3.132 | 3.175 | 2.304 |
| 12 | 2.657 | 2.753 | 2.779 | 2.052 |
| 13 | 2.278 | 2.372 | 2.38 | 1.829 |
| 14 | 1.897 | 1.994 | 1.984 | 1.628 |
| 15 | 1.709 | 1.803 | 1.786 | 1.45 |
| 16 | 1.519 | 1.613 | 1.587 | 1.29 |
| 17 | 1.367 | 1.46 | 1.427 | 1.151 |
| 18 | 1.214 | 1.311 | 1.27 | 1.024 |
| 19 | 1.062 | 1.158 | 1.11 | 0.912 |
| 20 | 0.912 | 1.006 | 0.952 | 0.813 |
| 21 | 0.836 | 0.93 | 0.874 | 0.724 |
| 22 | 0.759 | 0.853 | 0.792 | 0.643 |
| 23 | 0.683 | 0.777 | 0.714 | 0.574 |
| 24 | 0.607 | 0.701 | 0.635 | 0.511 |
| 25 | 0.531 | 0.627 | 0.556 | 0.455 |
| 26 | 0.455 | 0.551 | 0.475 | 0.404 |
| 27 | 0.417 | 0.513 | 0.437 | 0.361 |
| 28 | 0.378 | 0.475 | 0.396 | 0.32 |
| 29 | 0.343 | 0.437 | 0.358 | 0.287 |
| 30 | 0.305 | 0.399 | 0.318 | 0.254 |
Industry reference chart (not a standard): the same gauge gives different thicknesses for each material. When ordering, state the thickness in mm.
Source: BenchReference physical standards dataset (benchreference.com/data/), CC BY 4.0; values from the standards cited at benchreference.com/sources/. ↗
Liquid water at 1 atm · Dry air at 1 atm · Standard atmosphere · Saturated moist air at 1 atm (psychrometrics) · Engineering materials (typical values) · Physical constants and standard values · SI prefixes · Common elements · Molar masses of common compounds · Weak acids and bases (25 °C) · Acid–base indicators · Heating values of fuels (25 °C) · Steel pipe (ASME B36.10M) · ASME B16.5 flanges: outer dimensions · Butt-weld elbows (ASME B16.9): center to end · Threads: tap drill and clearance hole · Rolling bearings: standard dimensions of 9 types (ISO 15, ISO 355, ISO 104) · AWG wire · Twist drills (ASME B94.11M) · O-rings (SAE AS568) · Steel I and H sections (IPE, HEA, HEB, HEM, W) · Steel hollow sections (CHS and RHS)
© 2026 Simuveliq. Todos los derechos reservados.