Ear plugs come in different sizes with different units of measurement.
Smaller plugs (<= 10 min diameter) roughly approximate the wire gauge chart. Larger plugs (> 10 mm) usually do not have a corresponding gauge number.
|
Gauge
|
millimeters
|
fractional inch
|
|
18
|
1
|
5/128
|
|
16
|
1.2
|
3/64
|
|
14
|
1.6
|
1/16
|
|
12
|
2
|
5/64
|
|
10
|
2.5
|
3/32
|
|
8
|
3
|
1/8
|
|
6
|
4
|
5/32
|
|
4
|
5
|
3/16
|
|
2
|
6
|
1/4
|
|
0
|
8
|
5/16
|
|
00
|
10
|
3/8
|
Above 10 mm units are in mm or inches or inch fractions.
|
millimeters
|
fractional inch
|
|
11
|
7/16
|
|
12
|
1/2
|
|
14
|
9/16
|
|
16
|
5/8
|
|
17
|
43/64
|
|
18
|
11/16
|
|
19
|
3/4
|
|
20
|
13/16
|
|
22
|
7/8
|
|
24
|
15/16
|
|
25
|
1
|
