Brown & Sharpe Gauge Size Conversion Chart

Description

Use this handy guide to quickly, easily and accurately convert gauge sizes into inches or millimeters or vice versa.

Gauge Inches Millimeters
0 .325 8.26
2 .257 6.54
4 .204 5.19
6 .162 4.12
8 .128 3.26
10 .102 2.59
12 .081 2.05
13 .072 1.83
14 .064 1.63
15 .057 1.45
16 .051 1.29
18 .040 1.02
19 .036 .912
20 .032 .812
21 .028 .723
22 .025 .644
23 .023 .573
24 .020 .511
25 .018 .455
26 .016 .405
27 .014 .360
28 .013 .321
29 .011 .286
30 .010 .255
32 .0080 .2019
34 .0063 .1600