Shopping Guide to Sizing Jewelry, Conversion Chart
Sizing: Conversion Chart
If you’re trying to convert jewelry sizes from AWG or imperial to metric (or vice-versa), check out the chart below.
American Wire Gauge / Imperial |
Metric (millimeters) |
Piercing Sizing |
18g |
1mm |
18g (1mm) |
16g |
1.3mm |
16g (1.2mm) |
14g |
1.6mm |
14g (1.6mm) |
12g |
2.1mm |
12g (2mm) |
10g |
2.6mm |
10g (2.5mm) |
8g |
3.3mm |
8g (3mm) |
6g |
4.1mm |
6g (4mm) |
4g |
5.2mm |
4g (5mm) |
2g |
6.5mm |
2g (6mm) |
1g |
7.4mm |
1g (7mm) |
0g |
8.3mm |
0g (8mm) |
00g |
9.3mm |
00g (9mm) |
000g |
10.4mm |
000g (10mm) |
7/16” |
11.1mm |
7/16″ (11mm) |
½” |
12.7mm |
1/2″ (12.5mm) |
9/16” |
14.3mm |
9/16″ (14mm) |
⅝” |
15.9mm |
5/8″ (16mm) |
11/16” |
17.5mm |
11/16″ (18mm) |
¾” |
19.1mm |
3/4″ (19mm) |
13/16” |
20.6mm |
13/16″ (20mm) |
⅞” |
22.2mm |
7/8″ (22mm) |
15/16” |
23.8mm |
15/16″ (24mm) |
1” |
25.4mm |
1″ (25mm) |