Convert microns to mm
Microns to millimeters. Enter a value to convert, or use the microns to mm chart further down the page.
1 micron equals 0.001 millimeters. Going the other way, 1 millimeter = 1,000 microns.
How to convert microns to mm
To convert microns to millimeters, multiply the micron value by 0.001. You can also divide by 1000 to get the same answer.
mm = µ × 0.001
Worked example
Convert 15 µ to millimeters:
15 µ = 0.015 mm
microns to mm conversion chart
Use this microns to mm table for quick reference without typing anything.
| microns (µ) | millimeters (mm) |
|---|---|
| 0.01 µ | 0.00001 mm |
| 0.1 µ | 0.0001 mm |
| 1 µ | 0.001 mm |
| 2 µ | 0.002 mm |
| 3 µ | 0.003 mm |
| 5 µ | 0.005 mm |
| 10 µ | 0.01 mm |
| 20 µ | 0.02 mm |
| 50 µ | 0.05 mm |
| 100 µ | 0.1 mm |
| 1,000 µ | 1 mm |
What is a micron?
The micron (µ) is a unit of length equal to 0.000001 meters.
What is a millimeter?
The millimeter is a metric unit equal to one thousandth of a meter. It is the smallest unit marked on a standard metric ruler and is the working unit of engineering drawings, machining tolerances and rainfall measurement.
Frequently asked questions
How many mm are in a micron?
1 microns equals 0.001 mm. Going the other way, 1 mm is 1,000 microns.
How do you convert microns to mm?
To convert microns to millimeters, multiply the micron value by 0.001. You can also divide by 1000 to get the same answer.
What is 10 microns in mm?
10 microns equals 0.01 mm. The conversion chart on this page lists the other values people look up most often.
Related length conversions
Convert microns to other units
Convert other units to mm
- cm to mm
- meters to mm
- km to mm
- inches to mm
- feet to mm
- yards to mm
- miles to mm
- micrometers to mm
- nanometers to mm
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