A micrometer (µm) is a unit of length equal to one-millionth of a meter.
1 μm=10−6 m=0.001 mm
Micrometer conversions
| Unit | Equivalent |
|---|---|
| 1 micrometer (µm) | 0.001 millimeter |
| 1 micrometer (µm) | 1,000 nanometers (nm) |
| 1 millimeter (mm) | 1,000 micrometers |
| 1 meter (m) | 1,000,000 micrometers |
What do you mean by micrometer?
1. Micrometer measuring instrument
A precision tool used to measure the thickness or diameter of small objects, such as wires, metal rods, and machine parts.
2. Micrometer as a unit (µm)
Used to measure tiny things. For example, a human hair is typically about 50–100 µm thick.
Which one would you like to learn about?
- The micrometer screw gauge and how to read it
- Micrometer conversions and calculations