Dimensions and Measurements

Gauge refers to the thikness of the jewelry.
Inside Diameter (ID) refers to the distance across the inside of your jewelry.
All measurable fields are marked in millimetres.

For more information please email: shopping@wildcat.be

Millimetres Inches Gauge
1.0 mm 5/128 18
1.2 mm 3/64 16
1.6 mm 2/32 14
2.0 mm 5/64 12
2.4 mm 3/32 10
3.2 mm 1/8 8
4.0 mm 5/32 6
5.0 mm 3/16 4
6.0 mm 1/4 3
7.0 mm 9/32 2
8.0 mm 10/32 0
10.0 mm 3/8 00

1/2 Inch =12.7 mm
5/8 Inch = 15.9 mm
3/4 Inch = 19.0 mm
7/8 Inch = 22.2 mm
1 Inch = 25.4 mm

Inside Diameter (ID)
2 mm 1/16"
2.5 mm 3/32"
3 mm 1/8"
4 mm 5/32"
5 mm 3/16"
6 mm 1/4"
7 mm 9/32"
8 mm 5/16"
9 mm 11/32"
10 mm 3/8"
11 mm 7/16"
12 mm 5/32"
12.7 mm 1/2"
14 mm 9/16"
15 mm 19/32"
16 mm 5/8"
18 mm 23/32"
19 mm 3/4"
20 mm 25/32"
22 mm 7/8"
24 mm 31/32"

Captive Bead Rings
A captive bead ring is measured by its thickness (gauge) and the circle's inside diameter.
Straight Barbells
A barbell is measured by the length of the shaft between the balls and the shaft's thickness (gauge).
Curved Barbells
A curve is measured by the distance between the balls and the shaft's gauge.
Circular Barbells
A circular is measured by the inside diameter of the piece and the shaft's gauge.