Millimeters to Micrometers
Convert millimeters (mm) to micrometers (µm). Type in either box; the other updates as you go.
How to convert millimeters to micrometers
To convert millimeters to micrometers, multiply the number of millimeters by 1,000.
Example
Convert 5 millimeters to micrometers:
Millimeter to micrometer conversion chart
| Millimeters (mm) | Micrometers (µm) |
|---|---|
| 1 mm | 1,000 µm |
| 2 mm | 2,000 µm |
| 3 mm | 3,000 µm |
| 4 mm | 4,000 µm |
| 5 mm | 5,000 µm |
| 6 mm | 6,000 µm |
| 7 mm | 7,000 µm |
| 8 mm | 8,000 µm |
| 9 mm | 9,000 µm |
| 10 mm | 10,000 µm |
| 12 mm | 12,000 µm |
| 15 mm | 15,000 µm |
| 20 mm | 20,000 µm |
| 25 mm | 25,000 µm |
| 30 mm | 30,000 µm |
| 40 mm | 40,000 µm |
| 50 mm | 50,000 µm |
| 60 mm | 60,000 µm |
| 70 mm | 70,000 µm |
| 75 mm | 75,000 µm |
| 80 mm | 80,000 µm |
| 90 mm | 90,000 µm |
| 100 mm | 100,000 µm |
| 150 mm | 150,000 µm |
| 200 mm | 200,000 µm |
| 250 mm | 250,000 µm |
| 500 mm | 500,000 µm |
| 1,000 mm | 1,000,000 µm |
Going the other way? See the micrometers to millimeters chart.
About the units
Millimeter (mm)
A millimeter is one thousandth of a meter. It is the unit on engineering drawings, rainfall gauges and the small marks of a metric ruler.
Micrometer (µm)
A micrometer (micron) is one millionth of a meter. Bacteria, fibers and manufacturing tolerances are measured in micrometers.
Frequently asked questions
How many micrometers are in a millimeter?
There are 1,000 micrometers in a millimeter.
How many millimeters are in a micrometer?
There are 0.001 millimeters in a micrometer.
How do you convert millimeters to micrometers?
To convert millimeters to micrometers, multiply the number of millimeters by 1,000.
What is 5 millimeters in micrometers?
5 millimeters equals 5,000 micrometers.
Convert between metric and imperial units of length and distance, from millimeters to miles. Open the length converter to see a value in every unit at once.