Convert mm to micrometers
Millimeters to micrometers. Enter a value to convert, or use the mm to micrometers chart further down the page.
1 millimeter equals 1,000 micrometers. Going the other way, 1 micrometer = 0.001 millimeters.
How to convert mm to micrometers
To convert millimeters to micrometers, multiply the millimeter value by 1000. You can also divide by 0.001 to get the same answer.
µm = mm × 1000
Worked example
Convert 15 mm to micrometers:
15 mm = 15,000 µm
mm to micrometers conversion chart
Use this mm to micrometers table for quick reference without typing anything.
| millimeters (mm) | micrometers (µm) |
|---|---|
| 0.01 mm | 10 µm |
| 0.1 mm | 100 µm |
| 1 mm | 1,000 µm |
| 2 mm | 2,000 µm |
| 3 mm | 3,000 µm |
| 5 mm | 5,000 µm |
| 10 mm | 10,000 µm |
| 20 mm | 20,000 µm |
| 50 mm | 50,000 µm |
| 100 mm | 100,000 µm |
| 1,000 mm | 1,000,000 µm |
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.
What is a micrometer?
The micrometer, also called the micron, is one millionth of a meter. It is the working scale of cell biology, air filtration ratings and semiconductor manufacturing.
Frequently asked questions
How many micrometers are in a millimeter?
1 mm equals 1,000 micrometers. Going the other way, 1 micrometers is 0.001 mm.
How do you convert mm to micrometers?
To convert millimeters to micrometers, multiply the millimeter value by 1000. You can also divide by 0.001 to get the same answer.
What is 10 mm in micrometers?
10 mm equals 10,000 micrometers. The conversion chart on this page lists the other values people look up most often.
Related length conversions
Convert mm to other units
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- mm to nanometers
Convert other units to micrometers
- cm to micrometers
- meters to micrometers
- km to micrometers
- inches to micrometers
- feet to micrometers
- yards to micrometers
- miles to micrometers
- nanometers to micrometers
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