Millimeters to Inches Converter

mm
in

Result

0 inches
Common Conversions

1 mm

0.0394 in

10 mm

0.3937 in

25.4 mm

1 in

100 mm

3.937 in
About Millimeters and Inches

Millimeters (mm) and inches (in) are units of length measurement used in different systems:

  • Millimeter: A metric unit equal to one-thousandth of a meter.
  • Inch: An imperial and US customary unit of length, equal to 25.4 millimeters.
Conversion Formula

To convert millimeters to inches:

Inches = Millimeters ÷ 25.4

To convert inches to millimeters:

Millimeters = Inches × 25.4
Common Uses

Millimeters are commonly used in:

  • Technical drawings
  • Engineering
  • Scientific measurements
  • European manufacturing

Inches are commonly used in:

  • Construction (US)
  • Woodworking
  • Screen sizes
  • US manufacturing
How to Use This Converter
1
Enter Value

Type your measurement in millimeters in the input field.

2
Click Convert

Press the convert button or simply start typing - the result will update automatically.

3
Get Result

Your result will appear instantly. Use the copy button to copy the result.

4
Additional Features
  • Use the swap button to switch between mm to inches and inches to mm
  • Click reset to clear all values
  • Reference the conversion table below for common values
Detailed Results
Input Value

0 mm

Converted Value

0 inches

Additional Information

This conversion is based on the standard ratio: 1 inch = 25.4 millimeters

Conversion Table (1-50 mm)
Millimeters (mm) Inches (in) Millimeters (mm) Inches (in)
1 mm 0.0394 in 26 mm 1.0236 in
2 mm 0.0787 in 27 mm 1.0630 in
3 mm 0.1181 in 28 mm 1.1024 in
4 mm 0.1575 in 29 mm 1.1417 in
5 mm 0.1969 in 30 mm 1.1811 in
6 mm 0.2362 in 31 mm 1.2205 in
7 mm 0.2756 in 32 mm 1.2598 in
8 mm 0.3150 in 33 mm 1.2992 in
9 mm 0.3543 in 34 mm 1.3386 in
10 mm 0.3937 in 35 mm 1.3780 in
11 mm 0.4331 in 36 mm 1.4173 in
12 mm 0.4724 in 37 mm 1.4567 in
13 mm 0.5118 in 38 mm 1.4961 in
14 mm 0.5512 in 39 mm 1.5354 in
15 mm 0.5906 in 40 mm 1.5748 in
16 mm 0.6299 in 41 mm 1.6142 in
17 mm 0.6693 in 42 mm 1.6535 in
18 mm 0.7087 in 43 mm 1.6929 in
19 mm 0.7480 in 44 mm 1.7323 in
20 mm 0.7874 in 45 mm 1.7717 in
21 mm 0.8268 in 46 mm 1.8110 in
22 mm 0.8661 in 47 mm 1.8504 in
23 mm 0.9055 in 48 mm 1.8898 in
24 mm 0.9449 in 49 mm 1.9291 in
25 mm 0.9843 in 50 mm 1.9685 in