Millimeter to Mil (Thou) Conversion Chart

This chart converts Millimeter (mm) to Mil (Thou) (mil) using the factor 39.370079. One mm equals 39.370079 mil; one mil equals 0.0254 mm.

mil = mm × 39.3701

mm	mil
1	39.37
2	78.74
3	118.11
4	157.48
5	196.85
6	236.22
7	275.59
8	314.96
9	354.33
10	393.7
11	433.07
12	472.44
13	511.81
14	551.18
15	590.55
16	629.92
17	669.29
18	708.66
19	748.03
20	787.4
21	826.77
22	866.14
23	905.51
24	944.88
25	984.25
26	1,023.62
27	1,062.99
28	1,102.36
29	1,141.73
30	1,181.1
31	1,220.47
32	1,259.84
33	1,299.21
34	1,338.58
35	1,377.95
36	1,417.32
37	1,456.69
38	1,496.06
39	1,535.43
40	1,574.8
41	1,614.17
42	1,653.54
43	1,692.91
44	1,732.28
45	1,771.65
46	1,811.02
47	1,850.39
48	1,889.76
49	1,929.13
50	1,968.5

mm	mil
51	2,007.87
52	2,047.24
53	2,086.61
54	2,125.98
55	2,165.35
56	2,204.72
57	2,244.09
58	2,283.46
59	2,322.83
60	2,362.2
61	2,401.57
62	2,440.94
63	2,480.31
64	2,519.69
65	2,559.06
66	2,598.43
67	2,637.8
68	2,677.17
69	2,716.54
70	2,755.91
71	2,795.28
72	2,834.65
73	2,874.02
74	2,913.39
75	2,952.76
76	2,992.13
77	3,031.5
78	3,070.87
79	3,110.24
80	3,149.61
81	3,188.98
82	3,228.35
83	3,267.72
84	3,307.09
85	3,346.46
86	3,385.83
87	3,425.2
88	3,464.57
89	3,503.94
90	3,543.31
91	3,582.68
92	3,622.05
93	3,661.42
94	3,700.79
95	3,740.16
96	3,779.53
97	3,818.9
98	3,858.27
99	3,897.64
100	3,937.01

How to use this chart

Find the mm value in the left column and read its mil equivalent on the right. Every row uses the same conversion factor, so the printable table is suitable for quick reference without recalculating each value.

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