Micros vs Mills

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Microns vs Mills

Mil
- A unit of measurement in the English system that is measured in thousandths of an inch.
(i.e., .001″ = one thousandth of an inch or 1.0 mil)
Micron
- A unit of measurement in the metric system that is equal to one thousandth of a millimeter.
(also called a micrometer, abbreviated ‘μm’)

For the exact conversion:

  • Mils to Microns: (Number of Mils) x 25.4 (i.e., .75 mil = 19 microns)
  • Microns to Mils: (Number of Microns) / 25.4 (i.e., 14 microns = .55 mil)

Ref: https://web.pa.msu.edu/services/machine-shop/measurements.htm