Milimeter to Inch calculator (mm to in)

Convert milimeters to inches (mm to in) by typing the amount of milimeters in the input field below and then clicking in the "Convert" button. If you want to convert from inches to milimeters, you can use our inch to milimeter converter.


Formula used to convert mm to in:

F(x) = x / 25.4

For example, if you want to convert 1 mm to in, just replace x by 1 [mm]:

1 mm = 1 / 25.4 = 0.03937007874015748 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 0.000039370078740157485 in
0.01 mm 0.00039370078740157485 in
0.1 mm 0.003937007874015749 in
1 mm 0.03937007874015748 in
2 mm 0.07874015748031496 in
3 mm 0.11811023622047245 in
4 mm 0.15748031496062992 in
5 mm 0.1968503937007874 in
6 mm 0.2362204724409449 in
7 mm 0.2755905511811024 in
8 mm 0.31496062992125984 in
9 mm 0.35433070866141736 in
10 mm 0.3937007874015748 in
20 mm 0.7874015748031497 in
30 mm 1.1811023622047245 in
40 mm 1.5748031496062993 in
50 mm 1.968503937007874 in
60 mm 2.362204724409449 in
70 mm 2.7559055118110236 in
80 mm 3.1496062992125986 in
90 mm 3.5433070866141736 in
100 mm 3.937007874015748 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.

FAQs for Milimeter to Inch converter calculator

What is Milimeter to Inch converter calculator?

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

How do I use Milimeter to Inch converter?

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 converter work on?

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