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Free Length Converter

Millimeter to micrometer.

One millimeter equals 1000 micrometer. Use this converter for quick, accurate mm to μm conversions.

To

Conversion formula.

1 mm = 1000 μm

To convert millimeter to micrometer, multiply the value in mm by 1000.

Quick examples

  • 1 mm = 1000 μm
  • 5 mm = 5000 μm
  • 10 mm = 10000 μm
  • 100 mm = 100000 μm

Millimeter to Micrometer conversion table.

Millimeter (mm)Micrometer (μm)
11000
22000
33000
44000
55000
66000
77000
88000
99000
1010000
1111000
1212000
1313000
1414000
1515000
1616000
1717000
1818000
1919000
2020000

Frequently asked questions.

How many micrometer are in a millimeter?
One millimeter equals 1000 micrometer (μm).
How do I convert mm to μm?
Multiply the value in mm by 1000. For example, 10 mm = 10000 μm.
Is this conversion exact?
Yes. This converter uses the internationally defined factor: 1 mm = 1000 μm.