Length converter

Convert Microns to Thousandths of an inch (um to thou)

1 um = 0.03937 thou. Surface finish and film thickness specs across unit systems.

Microns to thousandths of an inch conversion table

umthou
1 um0.03937 thou
5 um0.19685 thou
10 um0.393701 thou
25 um0.984252 thou
50 um1.9685 thou
100 um3.937 thou
250 um9.8425 thou

How to convert microns to thousandths of an inch

Multiply the value in microns by 0.03937 to get thousandths of an inch. 1 um equals 0.03937 thou, and 1 thou equals 25.4 um.

About these units

The micron (micrometer) is one millionth of a meter. Surface finish, plating thickness, filtration ratings, and semiconductor features are specified in microns.

A thou (or mil) is one thousandth of an inch, written 0.001 in. Machinists quote fits, shim sizes, and coating thicknesses in thou.

Common questions

How many thousandths of an inch are in a micron?

1 um equals 0.03937 thou.

How do you convert microns to thousandths of an inch?

Multiply the value in microns by 0.03937 to get thousandths of an inch. 1 um equals 0.03937 thou, and 1 thou equals 25.4 um.

Convert thou to um or browse all converters.