Metal Gauge to Thickness
| Metals: | Stainless Sheet | Galvanized Steel | Standard Sheet Steel | Aluminum Sheet | |
| Gauge | Fraction | inches (mm) | inches (mm) | inches (mm) | inches (mm) |
| 26 | 0.0187 (0.452) | 0.0217 (0.55) | 0.0179 (0.45) | 0.0159 (.40) | |
| 25 | 0.0219 (0.56) | 0.0247 (0.63) | 0.0209 (0.53) | 0.0179 (0.46) | |
| 24 | 0.0235 (0.5969) | 0.0276 (0.70) | 0.0239 (0.61) | 0.0201 (0.51) | |
| 23 | 0.0281 (0.71) | 0.0306 (0.78) | 0.0269 (0.68) | 0.0226 (0.58) | |
| 22 | 1/32" | 0.0293 (0.744) | 0.0336 (0.85) | 0.0299 (0.76) | 0.0253 (0.64) |
| 21 | 0.0344 (0.86) | 0.0366 (0.93) | 0.0329 (0.84) | 0.0285 (0.71) | |
| 20 | 0.0355 (0.9016) | 0.0396 (1.01) | 0.0359 (0.91) | 0.0320 (0.81) | |
| 19 | 0.0420 (1.067) | 0.0456 (1.16) | 0.0418 (1.06) | 0.0359 (0.91) | |
| 18 | 0.0480 (1.219) | 0.0516 (1.31) | 0.0478 (1.21) | 0.0403 (1.02) | |
| 17 | 0.0562 (1.4) | 0.0575 (1.46) | 0.0538 (1.37) | 0.0453 (1.1) | |
| 16 | 1/16" | 0.0595 (1.511) | 0.0635 (1.61) | 0.0598 (1.52) | 0.0508 (1.29) |
| 15 | 0.0703 (1.8) | 0.0710 (1.80) | 0.0673 (1.71) | 0.0571 (1.4) | |
| 14 | 5/64" | 0.0751 (1.9075) | 0.0785 (1.99) | 0.0747 (1.90) | 0.0641 (1.63) |
| 13 | 3/32" | 0.0900 (2.286) | 0.0934 (2.37) | 0.0897 (2.28) | 0.072 (1.8) |
| 12 | 7/64" | 0.1054 (2.677) | 0.1084 (2.75) | 0.1046 (2.66) | 0.0808 (2.05) |
| 11 | 1/8" | 0.1200 (3.048) | 0.1233 (3.13) | 0.1196 (3.04) | 0.0907 (2.30) |
| 10 | 9/64" | 0.1350 (3.429) | 0.1382 (3.51) | 0.1345 (3.42) | 0.1019 (2.59) |
| 9 | 5/32" | 0.1563 (3.97) | 0.1532 (3.89) | 0.1495 (3.80) | 0.1144 (2.91) |
| 8 | 11/64" | 0.165 (4.191) | 0.1681 (4.27) | 0.1644 (4.18) | 0.1285 (3.26) |
| 7 | 3/16" | 0.1874 (4.76) | 0.1793 (4.55) | 0.1443 (3.67) | |
| 6 | 13/64" | 0.2031 | 0.1943 (4.94) | 0.162 (4.1) | |
| 5 | 7/32" | 0.2187 | 0.2092 (5.31) | 0.1819 | |
| 4 | 15/64" | 0.2344 | 0.2242 (5.69) | 0.2043 | |
| 3 | 1/4" | 0.25 | 0.2391 (6.07) | 0.2294 | |
Download the Metal Gauge to Thickness Chart PDF here.
