See aluminum gauge thickness and tolerance, in inches and millimeters.
Caution
- Gauge thickness varies by material type
- Odd number gauges (e.g. 3, 15, 27) are often only available through large mill runs
| Gauge | Imperial (inches) | Metric (mm) | ||
|---|---|---|---|---|
| Thickness | Tolerance | Thickness | Tolerance | |
| 3 | 0.2294 | ±0.011 | 5.827 | ±0.279 |
| 4 | 0.2043 | ±0.011 | 5.189 | ±0.279 |
| 5 | 0.1819 | ±0.009 | 4.620 | ±0.229 |
| 6 | 0.1620 | ±0.009 | 4.115 | ±0.229 |
| 7 | 0.1443 | ±0.007 | 3.665 | ±0.178 |
| 8 | 0.1285 | ±0.007 | 3.264 | ±0.178 |
| 9 | 0.1144 | ±0.006 | 2.906 | ±0.152 |
| 10 | 0.1019 | ±0.006 | 2.588 | ±0.152 |
| 11 | 0.0907 | ±0.0045 | 2.304 | ±0.114 |
| 12 | 0.0808 | ±0.0045 | 2.052 | ±0.114 |
| 13 | 0.0720 | ±0.004 | 1.829 | ±0.102 |
| 14 | 0.0641 | ±0.004 | 1.628 | ±0.102 |
| 15 | 0.0571 | ±0.0035 | 1.450 | ±0.089 |
| 16 | 0.0508 | ±0.0035 | 1.290 | ±0.089 |
| 17 | 0.0453 | ±0.0035 | 1.151 | ±0.089 |
| 18 | 0.0403 | ±0.003 | 1.024 | ±0.076 |
| 19 | 0.0359 | ±0.003 | 0.912 | ±0.076 |
| 20 | 0.0320 | ±0.0025 | 0.813 | ±0.064 |
| 21 | 0.0285 | ±0.0025 | 0.724 | ±0.064 |
| 22 | 0.0253 | ±0.002 | 0.643 | ±0.051 |
| 23 | 0.0226 | ±0.002 | 0.574 | ±0.051 |
| 24 | 0.0201 | ±0.002 | 0.511 | ±0.051 |
| 25 | 0.0179 | ±0.002 | 0.455 | ±0.051 |
| 26 | 0.0159 | ±0.0015 | 0.404 | ±0.038 |
| 27 | 0.0142 | ±0.0015 | 0.361 | ±0.038 |
| 28 | 0.0126 | ±0.0015 | 0.320 | ±0.038 |
| 29 | 0.0113 | ±0.0015 | 0.287 | ±0.038 |
| 30 | 0.0100 | ±0.0015 | 0.254 | ±0.038 |
| 31 | 0.0089 | ±0.0015 | 0.226 | ±0.038 |
| 32 | 0.0080 | ±0.0015 | 0.203 | ±0.038 |
| 33 | 0.0071 | ±0.0015 | 0.180 | ±0.038 |
| 34 | 0.0063 | ±0.0015 | 0.160 | ±0.038 |
| 35 | 0.0056 | ±0.0015 | 0.142 | ±0.038 |
| 36 | – | – | – | – |
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Print-ready PDF, for your shop floor or binder