**Mils vs. Microns**

*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’)

**The M-Shop uses only the English Imperial/US system (inches, feet, etc.).**

All measurements taken in microns must be converted to thousandths of an inch.

**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)