For calculating conversion, use a calculator found here or the lists below for your convenience.
|
Metric
millimeters
|
US
(Nearest 32nd)
|
|
2
|
3/32"
|
|
2.5
|
3/32"
|
|
3
|
1/8"
|
|
4
|
5/32"
|
|
5
|
3/16"
|
|
6
|
1/4"
|
|
8
|
5/16"
|
|
10
|
13/32"
|
|
12
|
15/32"
|
|
14
|
9/16"
|
|
16
|
5/8"
|
|
18
|
23/32"
|
|
20
|
25/32"
|
|
25
|
1"
|
|
30
|
1-3/16"
|
|
35
|
1-3/8"
|
|
40
|
1-9/16"
|
|
45
|
1-3/4"
|
|
50
|
2"
|
|
|
|
Metric
millimeters
|
US
(Nearest 32nd)
|
|
55
|
2-3/16"
|
|
60
|
2-3/8"
|
|
65
|
2-9/16"
|
|
70
|
2-3/4"
|
|
75
|
2-15/16"
|
|
80
|
3-1/8"
|
|
85
|
3-3/8"
|
|
90
|
3-9/16"
|
|
95
|
3-3/4"
|
|
100
|
3-15/16"
|
|
110
|
4-5/16"
|
|
120
|
4-3/4"
|
|
130
|
5-1/8"
|
|
140
|
5-1/2"
|
|
150
|
5-7/8"
|
|
160
|
6-6/16"
|
|
170
|
6-11/16"
|
|
180
|
7-1/16"
|
|
190
|
7-1/2"
|
|
