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Convert mm to inches
Convert millimeter (mm) to inch (in) instantly. Free, no signup, nothing is uploaded — everything runs in your browser.
Millimeter (mm)
To
0.0393700787
Inch (in)
Millimeter to Inch conversion table
| Millimeter [mm] | Inch [in] |
|---|---|
| 0.01 | 0.0003937 |
| 0.1 | 0.00393701 |
| 1 | 0.03937008 |
| 2 | 0.07874016 |
| 3 | 0.11811024 |
| 5 | 0.19685039 |
| 10 | 0.39370079 |
| 20 | 0.78740157 |
| 50 | 1.96850394 |
| 100 | 3.93700787 |
| 1,000 | 39.37007874 |
How to convert millimeter to inch
inches = mm ÷ 25.4
Example: 50 mm = 50 ÷ 25.4 = 1.9685 in
To convert back (inch to millimeter): mm = inches × 25.4
What is a millimeter?
A millimeter (mm) is a unit of length in the metric system, equal to one thousandth of a meter. It is the standard unit for small precise measurements: machining tolerances, rainfall, paper thickness, and small electronics.
What is a inch?
An inch (in) is a unit of length in the US customary and imperial systems, defined as exactly 25.4 millimeters. It is the standard unit for screen sizes, paper, and small mechanical parts in the US.