Millimeter to Inch: mm to in / in to mm conversion


Usage: (1) Enter the value and tab out or click Convert. (In Detail)

Digit Separation
Round To*


* Rounding may affect the result of very small decimal values. If you are expecting small decimal value, then please select 8 Decimals or higher option in the Round To field.

Using The Millimeter to Inch Unit Converter

  1. Enter the from unit value, either Millimeter or Inch.
  2. Either tab out or press Convert button.
  3. The result will be shown in the result section.
  4. By default, the decimal rounding option is set to Do Not Round. If you want the decimals of the result values to be rounded? Then, select the decimal numbers to be rounded from the Round To drop down list.
  5. You can swap the Millimeter (mm) and Inch (in) units by pressing the the Swap Units button.

Millimeter(mm) & Inch(in) Conversion Chart

Generating And Printing The Millimeter(mm) & Inch(in) Conversion Chart

  1. Select the Distance/Length conversion you want to perform from the drop down box Conversion Type. You can convert from Millimeter to Inch and vice versa.
  2. Select the decimal place rounding in the Rounding drop down. By default, this converter uses 5 decimal places.
  3. Enter the Starting Distance you desire to start the conversion chart.
  4. Enter the Interval between the distance. Example: -100, -10, 0.25, 0.5, 1, 10, 100, etc...
  5. Click the Generate Chart button to generate your desired chart.
  6. Click the Print button to print the chart you have generated. This printing option allows you to print only the chart portion.

Conversion Type
Round To
Digit Separation
Start. Value
Millimeter Inch
1mm 0.03937in
2mm 0.07874in
3mm 0.11811in
4mm 0.15748in
5mm 0.19685in
6mm 0.23622in
7mm 0.27559in
8mm 0.31496in
9mm 0.35433in
10mm 0.3937in
11mm 0.43307in
12mm 0.47244in
13mm 0.51181in
14mm 0.55118in
15mm 0.59055in
16mm 0.62992in
17mm 0.66929in
18mm 0.70866in
19mm 0.74803in
20mm 0.7874in
21mm 0.82677in
22mm 0.86614in
23mm 0.90551in
24mm 0.94488in
25mm 0.98425in
Millimeter Inch
26mm 1.02362in
27mm 1.06299in
28mm 1.10236in
29mm 1.14173in
30mm 1.1811in
31mm 1.22047in
32mm 1.25984in
33mm 1.29921in
34mm 1.33858in
35mm 1.37795in
36mm 1.41732in
37mm 1.45669in
38mm 1.49606in
39mm 1.53543in
40mm 1.5748in
41mm 1.61417in
42mm 1.65354in
43mm 1.69291in
44mm 1.73228in
45mm 1.77165in
46mm 1.81102in
47mm 1.85039in
48mm 1.88976in
49mm 1.92913in
50mm 1.9685in
Millimeter Inch
51mm 2.00787in
52mm 2.04724in
53mm 2.08661in
54mm 2.12598in
55mm 2.16535in
56mm 2.20472in
57mm 2.24409in
58mm 2.28346in
59mm 2.32283in
60mm 2.3622in
61mm 2.40157in
62mm 2.44094in
63mm 2.48031in
64mm 2.51969in
65mm 2.55906in
66mm 2.59843in
67mm 2.6378in
68mm 2.67717in
69mm 2.71654in
70mm 2.75591in
71mm 2.79528in
72mm 2.83465in
73mm 2.87402in
74mm 2.91339in
75mm 2.95276in
Millimeter Inch
76mm 2.99213in
77mm 3.0315in
78mm 3.07087in
79mm 3.11024in
80mm 3.14961in
81mm 3.18898in
82mm 3.22835in
83mm 3.26772in
84mm 3.30709in
85mm 3.34646in
86mm 3.38583in
87mm 3.4252in
88mm 3.46457in
89mm 3.50394in
90mm 3.54331in
91mm 3.58268in
92mm 3.62205in
93mm 3.66142in
94mm 3.70079in
95mm 3.74016in
96mm 3.77953in
97mm 3.8189in
98mm 3.85827in
99mm 3.89764in
100mm 3.93701in

Millimeters to Inches (mm to inches)


Millimeter represented (mm) is one of the most common unit of length in metric or SI system. In British English, it’s spelled as millimetre. One millimeter is 1/1000 of a meter and 1/10 of a centimeter.


Inch represented as (in) is a unit of length in USA customary unit system and Imperial unit system. One inch is 1/12 of a foot.

Millimeters and inches

For converting mm to inches:

1 Inch = 25.4 Millimeteres.

i.e. in = (1 ÷ 25.4) × mm = 0.03937008 × mm

Formula: in = 0.03937008 × mm

For converting inches to mm:

1 Millimeter = 0.03937008 Inches

i.e. mm = (1 ÷ 0.03937008) × in = 25.4 × in

Formula: mm = 25.4 × in


Page Last Modified On: Dec 06, 2015

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