Micrometres to Millimetres Converter
Convert micrometres to millimetres instantly. One micrometre equals 0.001 millimetres, so you can type any value in µm and read the answer in mm.…
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Convert micrometres to millimetres instantly. One micrometre equals 0.001 millimetres, so you can type any value in µm and read the answer in mm. The page also shows a conversion table and the exact formula used.
Worked example
Example calculated from the starting values. Enter your own values and press Calculate to get your result.
1 µm = 0.001 mm
With the default inputs (value in micrometres = 1 µm), the results are: millimetres 0.001 mm.
Micrometres to millimetres conversion table
Reference table based on the example values; it is not your calculation result.
| micrometres (µm) | millimetres (mm) |
|---|---|
| 1 | 0.001 |
| 2 | 0.002 |
| 5 | 0.005 |
| 10 | 0.01 |
| 25 | 0.025 |
| 50 | 0.05 |
| 100 | 0.1 |
| 500 | 0.5 |
| 1,000 | 1 |
Frequently asked questions
How many millimetres are in one micrometre?
1 micrometre = 0.001 millimetres.
What is the formula to convert micrometres to millimetres?
Multiply the value in micrometres by 0.001.
How do I convert millimetres back to micrometres?
1 millimetre = 1,000 micrometres.
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