Convert Millimeter to Micrometer

1,000

Use the conversion factor 1 mm = 1000 μm. To convert Millimeter to Micrometer, multiply the input value by 1000.

Conversion Formula

μm = mm × 1000

Reverse: mm = μm × 1.0000e-3

Conversion Examples

1 mm × 1,000 =
1,000 μm
1 Millimeters = 1,000 Micrometers
5 mm × 1,000 =
5,000 μm
5 Millimeters = 5,000 Micrometers
10 mm × 1,000 =
10,000 μm
10 Millimeters = 10,000 Micrometers
25 mm × 1,000 =
25,000 μm
25 Millimeters = 25,000 Micrometers
50 mm × 1,000 =
50,000 μm
50 Millimeters = 50,000 Micrometers
100 mm × 1,000 =
100,000 μm
100 Millimeters = 100,000 Micrometers

Millimeter to Micrometer Table

mm =—μm
Millimeter (mm)Micrometer (μm)
11,000
22,000
33,000
44,000
55,000
66,000
77,000
88,000
99,000
1010,000
1111,000
1212,000
1313,000
1414,000
1515,000
1616,000
1717,000
1818,000
1919,000
2020,000

Unit Definitions

What is a Millimeter (mm)?

Metric (SI)Worldwide

Millimeter (mm) is one of the two units used in this conversion. Open its dedicated unit page for the reviewed definition and references.

Learn more about Millimeter

What is a Micrometer (μm)?

Metric (SI)Worldwide

Micrometer (μm) is one of the two units used in this conversion. Open its dedicated unit page for the reviewed definition and references.

Learn more about Micrometer

Frequently Asked Questions

How do I convert Millimeter to Micrometer?
Multiply the value in mm by 1000. The formula is μm = mm × 1000.
How many Micrometer are in 1 Millimeter?
One Millimeter equals 1000 μm.
What is 1 mm in μm?
1 mm equals 1000 μm.
How do I convert Micrometer back to Millimeter?
Use the reverse factor: 1 μm = 0.001 mm.

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