Length
micrometers to mm Converter
1 um = 0.001 mm. Enter any value and the result updates instantly.
Convert
How to convert micrometers to mm
- Type the micrometers value in the calculator.
- Keep micrometers selected as the from unit and mm selected as the to unit.
- Use the instant result, or copy it with the copy button.
micrometers to mm chart
| micrometers | mm |
|---|---|
| 1 um | 0.001 mm |
| 10 um | 0.01 mm |
| 100 um | 0.1 mm |
| 1,000 um | 1 mm |
| 10,000 um | 10 mm |
Formula
mm = um x 0.001
Example: 1 um = 0.001 mm.
Source
SI meter definitions and exact international inch, foot, yard, and mile relationships.
Common questions
How do I convert micrometers to mm?
Enter the micrometers value in the converter, or multiply by the factor shown in the formula. 1 um = 0.001 mm.
What is 1 um = 0.001 mm?
1 um = 0.001 mm. The chart on this page gives more common micrometers to mm values.
Where does this length conversion come from?
SI meter definitions and exact international inch, foot, yard, and mile relationships. ConverterBase uses stable definitions and fixed conversion factors, not live or rounded market data.