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
| um | thou |
|---|---|
| 1 um | 0.03937 thou |
| 5 um | 0.19685 thou |
| 10 um | 0.393701 thou |
| 25 um | 0.984252 thou |
| 50 um | 1.9685 thou |
| 100 um | 3.937 thou |
| 250 um | 9.8425 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.