Milimeters (mm) to Inches (in) calculator

Input the amount of milimeters you want to convert to inches in the below input field, and then click in the "Convert" button. But if you want to convert from inches to milimeters, please checkout this tool.


Formula used to convert mm to in:

F(x) = x / 25.4

For example, if you want to convert 15 mm to in, just replace x by 15 [mm]:

15 mm = 15/25.4 = 0.5905511811023623 in


  1. Divide the amount of milimeters by 25.4.
  2. The result will be expressed in inches.

Milimeter to Inch Conversion Table

The following table will show the most common conversions for Milimeters (mm) to Inches (in):

Milimeters (mm) Inches (in)
0.001 mm 0.0000393701 in
0.01 mm 0.0003937008 in
0.1 mm 0.0039370079 in
1 mm 0.0393700787 in
2 mm 0.0787401575 in
3 mm 0.1181102362 in
4 mm 0.157480315 in
5 mm 0.1968503937 in
6 mm 0.2362204724 in
7 mm 0.2755905512 in
8 mm 0.3149606299 in
9 mm 0.3543307087 in
10 mm 0.3937007874 in
20 mm 0.7874015748 in
30 mm 1.1811023622 in
40 mm 1.5748031496 in
50 mm 1.968503937 in
60 mm 2.3622047244 in
70 mm 2.7559055118 in
80 mm 3.1496062992 in
90 mm 3.5433070866 in
100 mm 3.937007874 in

About Milimeters (mm)

The millimetre (also spelled as millimeter in the United States), is a unit of length in the metric system equal to one thousandth of a metre. Therefore, there are one thousand millimetres in a metre.

About Inches (in)

The inch, abbreviated as in (or denoted with the symbol ") is a unit of length in the British imperial and United States customary systems of measurement.

One inch is to 1/12 of a foot, or 1/36 yard. Since the adoption of the international yard, the yard has been based on the metric system and defined as exactly 25.4 mm.

See also

FAQs for Milimeter to Inch calculator

What is Milimeter to Inch calculator?

Milimeter to Inch is a free and online calculator that converts Milimeters to Inches.

How do I use Milimeter to Inch?

You just have to insert the amount of Milimeters you want to convert and press the "Convert" button. The amount of Inches will be outputed in the input field below the button.

Which browsers are supported?

All mayor web browsers are supported, including Internet Explorer, Microsoft Edge, Firefox, Chrome, Safari and Opera.

Which devices does Milimeter to Inch work on?

Milimeter to Inch calculator works in any device that supports any of the browsers mentioned before. It can be a smartphone, desktop computer, notebook, tablet, etc.