Mil conversions

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The mil conversion selector on this page selects the length/distance measurement unit to convert to starting from mil. To make a conversion starting from a unit of length other than mil, simply click on the "Reset" button.

What is mil?

The mil (or thou) is a unit of length in the Imperial and US customary systems of units equal to 25.4x10-6 meters (1 mil = 25.4x10-6 m), the base unit of length in the International System of Units (SI). It is also equal to 0.00254 centimeters (cm), or 0.0254 millimeters (mm) or 25.4 micrometers (μm) (SI units of length), or 0.001 inches (in) or approximately 83.3x10-6 feet (ft), which are US customary / Imperial units of length.

The mil (or thou) is used in engineering, machining, and manufacturing.



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