Micrometers to millimeters
1 micrometer in millimeters
1 µm = 0.001 mm
mm = µm × 0.001
To convert micrometers to millimeters, multiply by 0.001. The table below gives the values people look up most often, and the converter works for any number.
Micrometers to millimeters table
| Micrometers | Millimeters |
|---|---|
| 1 µm | 0.001 |
| 2 µm | 0.002 |
| 3 µm | 0.003 |
| 4 µm | 0.004 |
| 5 µm | 0.005 |
| 10 µm | 0.01 |
| 15 µm | 0.015 |
| 20 µm | 0.02 |
| 25 µm | 0.025 |
| 30 µm | 0.03 |
| 40 µm | 0.04 |
| 50 µm | 0.05 |
| 75 µm | 0.075 |
| 100 µm | 0.1 |
| 250 µm | 0.25 |
| 500 µm | 0.5 |
| 1,000 µm | 1 |
How the conversion works
The relationship is mm = µm × 0.001. Both units measure length, so the conversion is a fixed factor that never changes.
Common questions
- How many millimeters are in one micrometer?
- One micrometer equals 0.001 millimeters. mm = µm × 0.001.
- How do you convert micrometers to millimeters?
- Use mm = µm × 0.001. So 10 µm is 0.01 mm.
- How many micrometers are in one millimeter?
- One millimeter equals 1,000 micrometers, which is the reverse of the conversion above.
Related pages
Sources
- Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
- Calculated on this page — At One Place