16 gauge stands for an aluminum plate with a thickness of 0.0508 inches and is a representation formed for convenience. 18 gauge aluminum represents a thickness of 0.0403 inches, so 🔗16 gauge aluminum is thicker.
The following table is the thickness table corresponding to different gauge aluminum plates.
| Gauge | Aluminum Sheet Thickness(In) | Aluminum Sheet Thick(mm) |
| 16 gauge aluminum | 0.051 | 1.2953 |
| 15 gauge aluminum | 0.057 | 1.448 |
| 14 gauge aluminum | 0.064 | 1.626 |
| 13 gauge aluminum | 0.072 | 1.829 |
| 12 gauge aluminum | 0.081 | 2.057 |
| 11 gauge aluminum | 0.091 | 2.301 |
| 10 gauge aluminum | 0.102 | 2.596 |
| 9 gauge aluminum | 0.114 | 2.896 |
| 8 gauge aluminum | 0.129 | 3.277 |
