Inches to MM Converter

What is an Inch?

An inch (in) is a unit of length in the imperial and US customary systems. One inch is equal to 25.4 millimeters.

What is a Millimeter?

A millimeter (mm) is a unit of length in the metric system. It is commonly used to measure very small distances. One millimeter equals 0.0393701 inches.

How to Convert Inches to Millimeters?

To convert inches to millimeters, use the following formula:

1 inch = 25.4 millimeters

The distance in millimeters (mm) is equal to the distance in inches (in) multiplied by 25.4:

distance (mm) = distance (in) × 25.4

Example

Convert 3 inches to millimeters:

3 in = 3 in × 25.4 = 76.2 mm

How many Millimeters in an Inch?

  • 1 Inch: 25.4 Millimeters (1 in = 25.4 mm).

Inches to Millimeters Conversion Table (1 to 100 inches)

Inches (in) Millimeters (mm) Description
1 inches 25.40 mm 1 inches to mm
2 inches 50.80 mm 2 inches to mm
3 inches 76.20 mm 3 inches to mm
4 inches 101.60 mm 4 inches to mm
5 inches 127.00 mm 5 inches to mm
6 inches 152.40 mm 6 inches to mm
7 inches 177.80 mm 7 inches to mm
8 inches 203.20 mm 8 inches to mm
9 inches 228.60 mm 9 inches to mm
10 inches 254.00 mm 10 inches to mm
11 inches 279.40 mm 11 inches to mm
12 inches 304.80 mm 12 inches to mm
13 inches 330.20 mm 13 inches to mm
14 inches 355.60 mm 14 inches to mm
15 inches 381.00 mm 15 inches to mm
16 inches 406.40 mm 16 inches to mm
17 inches 431.80 mm 17 inches to mm
18 inches 457.20 mm 18 inches to mm
19 inches 482.60 mm 19 inches to mm
20 inches 508.00 mm 20 inches to mm
21 inches 533.40 mm 21 inches to mm
22 inches 558.80 mm 22 inches to mm
23 inches 584.20 mm 23 inches to mm
24 inches 609.60 mm 24 inches to mm
25 inches 635.00 mm 25 inches to mm
26 inches 660.40 mm 26 inches to mm
27 inches 685.80 mm 27 inches to mm
28 inches 711.20 mm 28 inches to mm
29 inches 736.60 mm 29 inches to mm
30 inches 762.00 mm 30 inches to mm
31 inches 787.40 mm 31 inches to mm
32 inches 812.80 mm 32 inches to mm
33 inches 838.20 mm 33 inches to mm
34 inches 863.60 mm 34 inches to mm
35 inches 889.00 mm 35 inches to mm
36 inches 914.40 mm 36 inches to mm
37 inches 939.80 mm 37 inches to mm
38 inches 965.20 mm 38 inches to mm
39 inches 990.60 mm 39 inches to mm
40 inches 1,016.00 mm 40 inches to mm
41 inches 1,041.40 mm 41 inches to mm
42 inches 1,066.80 mm 42 inches to mm
43 inches 1,092.20 mm 43 inches to mm
44 inches 1,117.60 mm 44 inches to mm
45 inches 1,143.00 mm 45 inches to mm
46 inches 1,168.40 mm 46 inches to mm
47 inches 1,193.80 mm 47 inches to mm
48 inches 1,219.20 mm 48 inches to mm
49 inches 1,244.60 mm 49 inches to mm
50 inches 1,270.00 mm 50 inches to mm
51 inches 1,295.40 mm 51 inches to mm
52 inches 1,320.80 mm 52 inches to mm
53 inches 1,346.20 mm 53 inches to mm
54 inches 1,371.60 mm 54 inches to mm
55 inches 1,397.00 mm 55 inches to mm
56 inches 1,422.40 mm 56 inches to mm
57 inches 1,447.80 mm 57 inches to mm
58 inches 1,473.20 mm 58 inches to mm
59 inches 1,498.60 mm 59 inches to mm
60 inches 1,524.00 mm 60 inches to mm
61 inches 1,549.40 mm 61 inches to mm
62 inches 1,574.80 mm 62 inches to mm
63 inches 1,600.20 mm 63 inches to mm
64 inches 1,625.60 mm 64 inches to mm
65 inches 1,651.00 mm 65 inches to mm
66 inches 1,676.40 mm 66 inches to mm
67 inches 1,701.80 mm 67 inches to mm
68 inches 1,727.20 mm 68 inches to mm
69 inches 1,752.60 mm 69 inches to mm
70 inches 1,778.00 mm 70 inches to mm
71 inches 1,803.40 mm 71 inches to mm
72 inches 1,828.80 mm 72 inches to mm
73 inches 1,854.20 mm 73 inches to mm
74 inches 1,879.60 mm 74 inches to mm
75 inches 1,905.00 mm 75 inches to mm
76 inches 1,930.40 mm 76 inches to mm
77 inches 1,955.80 mm 77 inches to mm
78 inches 1,981.20 mm 78 inches to mm
79 inches 2,006.60 mm 79 inches to mm
80 inches 2,032.00 mm 80 inches to mm
81 inches 2,057.40 mm 81 inches to mm
82 inches 2,082.80 mm 82 inches to mm
83 inches 2,108.20 mm 83 inches to mm
84 inches 2,133.60 mm 84 inches to mm
85 inches 2,159.00 mm 85 inches to mm
86 inches 2,184.40 mm 86 inches to mm
87 inches 2,209.80 mm 87 inches to mm
88 inches 2,235.20 mm 88 inches to mm
89 inches 2,260.60 mm 89 inches to mm
90 inches 2,286.00 mm 90 inches to mm
91 inches 2,311.40 mm 91 inches to mm
92 inches 2,336.80 mm 92 inches to mm
93 inches 2,362.20 mm 93 inches to mm
94 inches 2,387.60 mm 94 inches to mm
95 inches 2,413.00 mm 95 inches to mm
96 inches 2,438.40 mm 96 inches to mm
97 inches 2,463.80 mm 97 inches to mm
98 inches 2,489.20 mm 98 inches to mm
99 inches 2,514.60 mm 99 inches to mm
100 inches 2,540.00 mm 100 inches to mm

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