Millimeter → Inch
1 mm = 0.0394 in. Convert millimeters to inches instantly with this free online tool.
1 mm = 0.0394 in
Millimeter to Inch Conversion Table
| Millimeter (mm) | Inch (in) |
|---|---|
| 1 | 0.0394 |
| 5 | 0.1969 |
| 10 | 0.3937 |
| 25 | 0.9843 |
| 50 | 1.9685 |
| 100 | 3.937 |
| 500 | 19.685 |
| 1000 | 39.3701 |
Millimeter to Inch Formula
1 mm = 0.0394 in
About Millimeter and Inch
What is a Millimeter?
A millimeter is one thousandth of a meter (0.001 m), the base unit of length in the metric system. A credit card is about 0.76 mm thick.
What is a Inch?
An inch is 1/12 of a foot and exactly 25.4 millimeters, widely used in the United States and United Kingdom for everyday measurements. The width of an adult thumb is approximately 1 inch.
When to convert Millimeter to Inch
Converting millimeters to inches is common when working with metric measurements alongside imperial specifications. For example, measuring tile grout gaps and spacer widths. Use inches for construction and hardware measurements in the US, especially for lumber, tiles, pipes, and fasteners.
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