Metric US Conversion Table

Print this page

Metric (mm)	US (in*)
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	1-15/16

Metric (mm)	US (in*)
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	6-5/16
170	6-11/16
180	7-1/16
190	7-1/2

* Conversions are approximate.