Millimeters (mm) to Inches (in) Converter
Millimeters (mm) to Inches (in) conversion table
Here are the most common conversions for Millimeters (mm) to Inches (in) at a glance.
| Millimeters (mm) | Inches (in) |
|---|---|
| 0.001 | 0.00003937 |
| 0.01 | 0.00039370 |
| 0.1 | 0.00393701 |
| 1 | 0.03937008 |
| 2 | 0.07874016 |
| 3 | 0.11811024 |
| 5 | 0.19685039 |
| 10 | 0.39370079 |
| 20 | 0.78740157 |
| 30 | 1.18110236 |
| 50 | 1.96850394 |
| 100 | 3.93700787 |
| 1000 | 39.37007874 |
Millimeters to Inches (mm to in) Converter
Use our free Millimeters to Inches converter to change any value from mm to in instantly and accurately. 1 millimeter equals 0.03937007874 inches, and 1 inch equals 25.4 millimeters. Enter a number, choose the precision and get the result in one click.
Millimeter to Inch formula
To convert millimeters to inches, divide the number of millimeters by 25.4:
in = mm × 0.03937007874
Example: 25 mm × 0.03937007874 = 0.9842519685 in.
Millimeters to Inches conversion table
| Millimeters (mm) | Inches (in) |
|---|---|
| 1 mm | 0.03937007874 in |
| 5 mm | 0.1968503937 in |
| 10 mm | 0.3937007874 in |
| 25 mm | 0.9842519685 in |
| 50 mm | 1.968503937 in |
| 100 mm | 3.937007874 in |
| 1,000 mm | 39.37007874 in |
Millimeter and Inch explained
Millimeter (mm): A millimeter is one thousandth of a meter. It is used for small, precise measurements such as screws, jewellery, paper thickness and rainfall.
Inch (in): An inch is exactly 2.54 centimeters. It is used in the US and UK for screen sizes, tyres, paper and construction.
How to use the Millimeter to Inch converter
- Enter the value in millimeters (mm).
- Choose the number of decimal places (precision).
- Click Submit to convert.
- Read or copy the result in inches (in).
Common use cases
- Converting length measurements for work, school or travel
- Checking length values in product specifications
- Quickly comparing metric and imperial or binary and decimal values
- Double-checking manual calculations
Frequently asked questions
How many inches are in 1 millimeter?
There are 0.03937007874 inches in one millimeter.
How do I convert inches back to millimeters?
Multiply by 25.4, or use our Inch to Millimeter converter.
Is this converter accurate?
Yes. It uses the official international conversion factors and lets you choose the number of decimal places.
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