Micrometers to Millimeters Converter
Convert micrometers (µm) to millimeters (mm), with the formula, a conversion table and exact factors.
Change the values and press Calculate to work out your own figures.
Convert a length from one unit to another. For inches, feet and yards you also get feet and inches with a tape-measure fraction.
Show the working
- 1 µm = 0.001 mm
- 1 × 0.001 = 0.001 mm
How to convert micrometers to millimeters
1 µm = 0.001 mm, so multiply by 0.001 to go from micrometers to millimeters. Going the other way, 1 mm = 1000 µm.
mm = µm × 0.001 µm = mm × 1000
Worked example:
1 µm = 0.001 mm 5 × 0.001 = 0.005 mm
Micrometers to millimeters table
| Micrometers | Millimeters |
|---|---|
| 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 |
| 1000 µm | 1 mm |
About the units
- Micrometers (µm)
- Micrometers, a metric unit. Definition: BIPM SI Brochure (SI prefixes).
- Millimeters (mm)
- Millimeters, a metric unit. Definition: BIPM SI Brochure (SI prefixes).