|
Size Conversion Chart | ||||
|
Gauge |
|
Length & Diameter | ||
|
Gauge |
Millimeters |
|
Inches |
Millimeters |
|
00 ga |
10.00mm |
|
|
|
|
0 ga |
8.0mm |
|
5/64 |
2mm |
|
2 ga |
7.0mm |
|
5/32 |
4mm |
|
3 ga |
6.0mm |
|
1/4 |
6mm |
|
4 ga |
5.0mm |
|
5/16 |
8mm |
|
6 ga |
4.0mm |
|
3/8 |
10mm |
|
8 ga |
3.2mm |
|
1/2 |
12mm |
|
10 ga |
2.5mm |
|
9/16 |
14mm |
|
12 ga |
2.0mm |
|
5/8 |
16mm |
|
14 ga |
1.6mm |
|
11/16 |
18mm |
|
16 ga |
1.2mm |
|
3/4 |
20mm |
|
18 ga |
1.0mm |
|
7/8 |
22mm |
|
20 ga |
0.8mm |
|
15/16 |
24mm |
The gauge of body jewellery is the
thickness of the steel.
The size of rings is usually the internal diameter and the outer diameter for tunnels and tubes etc.