How to convert mils to micrometers
1 mil is equal to 25.4 micrometers, and 1 micrometer is equal to 0.03937007874 mils. To convert, multiply by the conversion factor:
micrometers = mils × 25.4
micrometers = mils ÷ 0.03937007874Example: convert 15 mil to µm: 15 × 25.4 = 381 µm.
Mil to Micrometer conversion table
| Mil (mil) | Micrometer (µm) |
|---|---|
| 0.01 mil | 0.254 µm |
| 0.1 mil | 2.54 µm |
| 1 mil | 25.4 µm |
| 2 mil | 50.8 µm |
| 3 mil | 76.2 µm |
| 5 mil | 127 µm |
| 10 mil | 254 µm |
| 20 mil | 508 µm |
| 50 mil | 1,270 µm |
| 100 mil | 2,540 µm |
| 250 mil | 6,350 µm |
| 500 mil | 12,700 µm |
| 1,000 mil | 25,400 µm |
About the mil
The mil (or thou) is one thousandth of an inch (25.4 µm). It's used for wire diameters, plastic sheet thickness and circuit board tracks.
Symbol: mil · 1 mil = 0.0000254 m · Category: Imperial & US customary
About the micrometer
A micrometer is one millionth of a meter. It's used to measure cells, bacteria, fibers and the thickness of coatings and films.
Symbol: µm · 1 µm = 0.000001 m · Category: Metric (SI)