Millimeter [mm] to Inch [in] Converter
Quick Reference
1 Millimeter (mm) = 0.03937008 Inch (in)
1 Inch (in) = 25.39999919 Millimeter (mm)
How to Convert Millimeter to Inch
1 mm = 0.03937008 in
1 in = 25.39999919 mm
To convert Millimeter to Inch, divide the value by 25.39999919 (equivalently, multiply by 0.03937008). To convert Inch back to Millimeter, multiply by 25.39999919.
Example: convert 10 mm to in:
10 mm = 10 x 0.03937008 = 0.3937008 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] |
|---|---|
| 1 mm | 0.03937008 in |
| 2 mm | 0.07874016 in |
| 5 mm | 0.1968504 in |
| 10 mm | 0.3937008 in |
| 20 mm | 0.7874016 in |
| 50 mm | 1.968504 in |
| 100 mm | 3.937008 in |
| 200 mm | 7.874016 in |
| 500 mm | 19.68504 in |
| 1000 mm | 39.37008 in |
Common Millimeter to Inch conversions
- 1 mm = 0.03937008 in
- 2 mm = 0.07874016 in
- 3 mm = 0.11811024 in
- 4 mm = 0.15748032 in
- 5 mm = 0.1968504 in
- 6 mm = 0.23622048 in
- 7 mm = 0.27559056 in
- 8 mm = 0.31496064 in
- 9 mm = 0.35433072 in
- 10 mm = 0.3937008 in
- 12 mm = 0.47244096 in
- 15 mm = 0.5905512 in
- 20 mm = 0.7874016 in
- 25 mm = 0.984252 in
- 30 mm = 1.181102 in
- 40 mm = 1.574803 in
- 50 mm = 1.968504 in
- 60 mm = 2.362205 in
- 75 mm = 2.952756 in
- 100 mm = 3.937008 in
- 150 mm = 5.905512 in
- 200 mm = 7.874016 in
- 250 mm = 9.84252 in
- 300 mm = 11.811024 in
- 500 mm = 19.68504 in
- 750 mm = 29.52756 in
- 1,000 mm = 39.37008 in
Common pairs of Length
Millimeter
Centimeter
Kilometer
US Survey Foot