Mils to Micrometers converter

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mil to µm conversion table

Starting Value

Increment

Precision

mil	µm
1	25.4
2	50.8
3	76.2
4	101.6
5	127
6	152.4
7	177.8
8	203.2
9	228.6
10	254
11	279.4
12	304.8
13	330.2
14	355.6
15	381
16	406.4
17	431.8
18	457.2
19	482.6
20	508
21	533.4
22	558.8
23	584.2
24	609.6
25	635
26	660.4
27	685.8
28	711.2
29	736.6
30	762
31	787.4
32	812.8
33	838.2
34	863.6
35	889
36	914.4
37	939.8
38	965.2
39	990.6
40	1016
41	1041.4
42	1066.8
43	1092.2
44	1117.6
45	1143
46	1168.4
47	1193.8
48	1219.2
49	1244.6
50	1270
51	1295.4
52	1320.8
53	1346.2
54	1371.6
55	1397
56	1422.4
57	1447.8
58	1473.2
59	1498.6
60	1524
61	1549.4
62	1574.8
63	1600.2
64	1625.6
65	1651
66	1676.4
67	1701.8
68	1727.2
69	1752.6
70	1778
71	1803.4
72	1828.8
73	1854.2
74	1879.6
75	1905
76	1930.4
77	1955.8
78	1981.2
79	2006.6
80	2032
81	2057.4
82	2082.8
83	2108.2
84	2133.6
85	2159
86	2184.4
87	2209.8
88	2235.2
89	2260.6
90	2286
91	2311.4
92	2336.8
93	2362.2
94	2387.6
95	2413
96	2438.4
97	2463.8
98	2489.2
99	2514.6
100	2540
101	2565.4
102	2590.8
103	2616.2
104	2641.6
105	2667
106	2692.4
107	2717.8
108	2743.2

To convert mils to micrometers, enter the value in the first field. The result in micrometers is calculated automatically using the exact conversion factor.

1 mil = 25.4 µm
1 µm ≈ 0.0393700787402 mil

Formula: µm = mil × 25.4
mil ≈ µm × 0.0393700787402

Definitions: 1 mil = 0.001 in; 1 µm = 1 × 10^-6 m

The mil, also called a thou, is one thousandth of an inch. It is used in the United States for the thickness of plastic film, paper, coatings, wire and sheet material, and for machining tolerances. It is not the same as a millimeter.

The micrometer (µm), also called a micron, is one millionth of a meter. It is used for the thickness of thin films and fibers, for the size of bacteria, cells and dust particles, and for filter ratings (PM2.5 and PM10 count particles up to 2.5 and 10 µm).

See the conversion table with commonly used values, handy for quick reference or study.

More Mils & Micrometers conversions