Wire Gauge SWG in mm BWG in mm In Metric System mm
8# 4. 06 4. 19 4. 00
9# 3. 66 3. 76 -
10# 3. 25 3. 40 3. 50
11# 2. 95 3. 05 3. 00
12# 2. 64 2. 77 2. 80
13# 2. 34 2. 41 2. 50
14# 2. 03 2. 11 -
15# 1. 83 1. 83 1. 80
16# 1. 63 1. 65 1. 65
17# 1. 42 1. 47 1. 40
18# 1. 22 1. 25 1. 20
19# 1. 02 1. 07 1. 00
20# 0. 91 0. 89 0. 90
21# 0. 81 0. 813 0. 80
22# 0. 71 0. 711 0. 70
23# to 34# is also available for galvanized iron wire