Gauge Chart

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