Gauge | English inches |
Steel Metric |
Glass Metric |
18 | 0.041 | 1 mm | 1mm |
14 | 0.064″ | 1.6 mm | 1.5 mm |
12 | 0.081″ | 2.1 mm | 2.0 mm |
10 | 0.102″ | 2.4 mm | 2.5 mm |
8 | 0.128″ | 3.2 mm | 3 mm |
6 | 0.164″ | 4.1 mm | 4 mm |
4 | 0.204″ | 5.2 mm | 5 mm |
2 | 0.250″ | 6.5 mm | 6 mm |
1 | 7 mm | 7 mm | |
0 | 0.312″ | 8.0 mm | 8 mm |
00 | 0.375″ | 9.5 mm | 9 mm |
000 | 10 mm | ||
7/16 | 0.438″ | 11.1 mm | 11 mm |
1/2 | 0.500″ | 12.7 mm | 13 mm |
9/16″ | 0..5625 | 14 mm | 14 mm |
15mm | |||
5/8″ | 0.625 | 15.9 mm | 16 mm |
11/16 | 0.6875 | 17.3 | 17mm |
18mm | |||
3/4″ | 0.750″ | 19 mm | 19 mm |
13/16″ | 0.8125 | 20.5mm | 20mm |
7/8″ | 0.875 | 22 mm | 22 mm |
15/16″ | 0.9375 | 24 mm | |
1″ | 1.00 | 25.4 mm | 25.4-26 mm |
1 1/8″ | 1.125 | 29 mm | 28 mm |
1 3/16″ | 0.1875 | 30 mm | 30 mm |
1 1/4″ | 1.25 | 32 mm | 32 mm |
1 3/8″ | 1.375 | 34mm | |
1 7/16″ | 1.4375 | 36mm | |
1 1/2″ | 1.50 | 38 mm | 38 mm |
1 9/16″ | 1.5625 | 40mm | |
1 5/8″ | 1.625 | 42mm | |
1 3/4″ | 1.75 | 44 mm | 44 mm |
1 7/8″ | 1.875 | 46mm | |
2″ | 2.00 | 51 mm | 51 mm |