Convert between metric and imperial length units, including millimeters (mm), meters (m), inches (in), feet (ft), and miles (mi). Length is a fundamental physical quantity measuring the distance between two points. The meter (m) is the SI base unit; imperial units are defined by exact conversion factors to SI (e.g. 1 in = 25.4 mm).
This length converter transforms values from Micrometers (μm) to Millimeters (mm). Results update instantly using the exact conversion factor.
The micrometer (μm) equals 10⁻⁶ m and is common in microscopy and semiconductor fabrication.
The millimeter (mm) is one-thousandth of a meter (1 mm = 10⁻³ m).
1 μm ÷ 1000 = 0.001 mm
mm = μm ÷ 1000
To convert μm to mm, divide the value in μm by 1000 (since 1 μm = 0.001 mm). Equivalently, multiply by 0.001. Example: 1 μm = 1 μm × 0.001 = 0.001 mm.
10 μm = 0.01 mm ÷ 1000 = 10 μm
Common values from μm to mm.
| μm | mm |
|---|---|
| 1 | 0.001 |
| 2 | 0.002 |
| 3 | 0.003 |
| 4 | 0.004 |
| 5 | 0.005 |
| 6 | 0.006 |
| 7 | 0.007 |
| 8 | 0.008 |
| 9 | 0.009 |
| 10 | 0.01 |
| 11 | 0.011 |
| 12 | 0.012 |
| 13 | 0.013 |
| 14 | 0.014 |
| 15 | 0.015 |
| 16 | 0.016 |
| 17 | 0.017 |
| 18 | 0.018 |
| 19 | 0.019 |
| 20 | 0.02 |