Mils to Microns-What's thicker?

How Thick is a Micron?

A micron is a term representing a unit of measure in the metric system equal to 1 millionth of a meter in length (about 39 millionths of an inch). The average cross-section of a human hair is 50 microns.

How Thick is a Mil?

A mil is a measurement that equals one-thousandth of an inch, or 0.001 inch. Most human hair is One-thousandth of inch, or 0.001 inch. The most common size in the thickness rating for plastic sheeting is 6 mil. This is 6-thousandths of an inch, or 0.006 inch.

If you need an exact number click here to see a micron to mil calculator.

What is a Micrometre and is it the same thing as a Micron?

A micrometre which is the international Bureau of Weights and Measures spelling is called a micrometer in the USA and is also called a micron for short! 

It is equal to 1×10⁻⁶ metre. The symbol used is μm.

A “mil” is 1/1000th of an inch. ... Gauge is (100) x (mils),  or 0.3 mils = 30 gauge. To go from mils to microns, you multiply mils x 25.4.