Micrometers to millimeters
1 micrometer = 0.001 mm · 1 millimeter = 1,000 µm
How to convert micrometers to millimeters
To convert micrometers to millimeters, divide the value by 1,000.
Formula: mm = µm ÷ 1,000
Example: 10 µm = 0.01 mm
Micrometers to millimeters conversion table
| micrometers (µm) | millimeters (mm) |
|---|---|
| 1 µm | 0.001 mm |
| 2 µm | 0.002 mm |
| 3 µm | 0.003 mm |
| 4 µm | 0.004 mm |
| 5 µm | 0.005 mm |
| 6 µm | 0.006 mm |
| 7 µm | 0.007 mm |
| 8 µm | 0.008 mm |
| 9 µm | 0.009 mm |
| 10 µm | 0.01 mm |
| 15 µm | 0.015 mm |
| 20 µm | 0.02 mm |
| 25 µm | 0.025 mm |
| 30 µm | 0.03 mm |
| 40 µm | 0.04 mm |
| 50 µm | 0.05 mm |
| 75 µm | 0.075 mm |
| 100 µm | 0.1 mm |
| 250 µm | 0.25 mm |
| 500 µm | 0.5 mm |
| 1,000 µm | 1 mm |
About these units
Millimeter (mm)
A millimeter (mm) is one thousandth of a meter. Engineering drawings, construction, rainfall and screw or tire sizes use millimeters.
Frequently asked questions
How many millimeters are in 1 micrometer?
1 µm = 0.001 mm
How many micrometers are in 1 millimeter?
1 mm = 1,000 µm
What is 5 µm in mm?
5 µm = 0.005 mm (5 × 0.001)
What is 100 µm in mm?
100 µm = 0.1 mm (100 × 0.001)