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Free Length Converter

Micrometer to millimeter.

One micrometer equals 0.001 millimeter. Use this converter for quick, accurate μm to mm conversions.

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Conversion formula.

1 μm = 0.001 mm

To convert micrometer to millimeter, multiply the value in μm by 0.001.

Quick examples

  • 1 μm = 0.001 mm
  • 5 μm = 0.005 mm
  • 10 μm = 0.01 mm
  • 100 μm = 0.1 mm

Micrometer to Millimeter conversion table.

Micrometer (μm)Millimeter (mm)
10.001
20.002
30.003
40.004
50.005
60.006
70.007
80.008
90.009
100.01
110.011
120.012
130.013
140.014
150.015
160.016
170.017
180.018
190.019
200.02
Convert the other way: Millimeter to Micrometer

Related conversions.

Millimeter to CentimeterMillimeter to DecimeterMillimeter to MeterMillimeter to KilometerMillimeter to MicrometerMillimeter to Nanometer

More Micrometer conversions.

μm → cmμm → dmμm → mμm → kmμm → nmμm → inμm → ftμm → yd

Frequently asked questions.

How many millimeter are in a micrometer?
One micrometer equals 0.001 millimeter (mm).
How do I convert μm to mm?
Multiply the value in μm by 0.001. For example, 10 μm = 0.01 mm.
Is this conversion exact?
Yes. This converter uses the internationally defined factor: 1 μm = 0.001 mm.