Mil to Millimeter Converter
Convert mils to millimeters instantly with our precise online converter. Perfect for engineering, manufacturing, and technical applications requiring accurate length measurements.
Mil to Millimeter Converter
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Relationship Between Mils and Millimeters
The conversion between mils and millimeters is based on the relationship where 1 mil equals 0.0254 millimeters, since 1 mil is one thousandth of an inch.
1 mil = 0.001 inch = 0.0254 mm
Therefore,
1 mm = 39.3701 mils
To convert mils to millimeters, we multiply the value in mils by 0.0254.
For example, 1,000 mils equals 25.4 millimeters (1 inch).
Mil (Thou)
What is a Mil (mil)?
A mil (also known as a thou or milli-inch) is a unit of length equal to one thousandth of an inch (0.001 inch or 0.0254 millimeters). The term 'mil' is commonly used in the United States, while 'thou' is preferred in the United Kingdom. Despite the name similarity, it should not be confused with the millimeter.
History and Origin of the Mil
The mil originated as a convenient subdivision of the inch for precise measurements. The term 'thou' is short for 'thousandth' of an inch. This unit became widely adopted in manufacturing, engineering, and metalworking industries where fine tolerances are required. The mil is particularly common in American manufacturing specifications, while the thou is used in British engineering contexts.
Modern Applications of Mils
Mils are extensively used in manufacturing, machining, and engineering for measuring very small distances and tolerances. Common applications include measuring the thickness of plastic sheets, coatings, wire gauges, printed circuit boards (PCBs), and metal foils. In the firearms industry, angular mil measurements are also used. The unit remains popular in industries where imperial measurements dominate, though metric equivalents are increasingly used alongside mil specifications.
Millimeter
What is a Millimeter (mm)?
A millimeter (symbol: mm) is a unit of length in the International System of Units (SI), equal to one thousandth of a meter (1 mm = 0.001 m = 0.1 cm). It is one of the most commonly used units for measuring small distances and dimensions.
History and Origin of the Millimeter
The millimeter is based on the SI unit meter, with the prefix 'milli-' indicating one thousandth. The metric system, including the millimeter, was developed in France in the late 18th century and has since become the global standard for scientific and everyday measurements in most countries.
Modern Applications of Millimeters
- Engineering and manufacturing: Precise measurements of components, tolerances, and dimensions
- Medicine: Measuring tumors, organ sizes, and medical instruments
- Meteorology: Measuring rainfall (precipitation)
- Consumer products: Screen sizes, paper thickness, jewelry, and small hardware
- Science: Laboratory measurements and scientific research
Mil to Millimeter Conversion Table
The conversion of mils to millimeters for certain values are provided below:
- Mils [mil]
- Millimeters [mm]
- 0.001 mil
- 2.54E-5 mm
- 0.01 mil
- 2.54E-4 mm
- 0.1 mil
- 0.00254 mm
- 1 mil
- 0.0254 mm
- 5 mil
- 0.127 mm
- 10 mil
- 0.254 mm
- 20 mil
- 0.508 mm
- 25 mil
- 0.635 mm
- 50 mil
- 1.27 mm
- 75 mil
- 1.905 mm
- 100 mil
- 2.54 mm
- 200 mil
- 5.08 mm
- 250 mil
- 6.35 mm
- 500 mil
- 12.7 mm
- 750 mil
- 19.05 mm
- 1000 mil
- 25.4 mm
- 2000 mil
- 50.8 mm
- 5000 mil
- 127.0 mm
- 10000 mil
- 254.0 mm
