Millimeter [mm] to Inch [in] Converter
mm
in
How to Convert Millimeter to InchInch
1 mm = 0.03937008 in
1 in = 25.399999187200024 mm
Example: convert 30 mm to in:
30 mm = 30 x 0.03937008 = 1.1811024 in
Millimeter
Definition: A millimeter (mm) is a unit of length in the metric system, equal to one thousandth of a meter. It is a decimal fraction of the meter, the SI base unit of length.
History/origin: The millimeter is derived from the meter, which was defined in the late 18th century during the French Revolution as one ten-millionth of the distance from the equator to the North Pole along a meridian. The prefix 'milli-' denotes one thousandth.
Current use: Millimeters are widely used in engineering, manufacturing, construction, and science for precise measurements. They are commonly used in technical drawings, specifications, and for measuring small objects or distances.
Inch
Definition: An inch (in) is a unit of length in the imperial and United States customary systems. It is defined as exactly 25.4 millimeters.
History/origin: The inch has a long and varied history, with its origins tracing back to ancient Rome. It has been defined in various ways over time, but the modern definition is based on the metric system.
Current use: Inches are commonly used in the United States, Canada, and the United Kingdom for measuring lengths, heights, and distances. They are used in construction, manufacturing, and everyday measurements.
Millimeter to Inch Conversion Table
| Millimeter [mm] | Inch [in] |
|---|---|
| 0.01 mm | 0.00039370080000000003 in |
| 0.1 mm | 0.0039370080000000005 in |
| 1 mm | 0.03937008 in |
| 10 mm | 0.3937008 in |
| 50 mm | 1.9685040000000003 in |
| 100 mm | 3.9370080000000005 in |
| 1000 mm | 39.37008 in |
| 10000 mm | 393.7008 in |
Common pairs of Length