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Millimeters to Micrometers

Convert millimeters to micrometers (mm to µm) instantly. 1 mm = 1,000 µm. Includes the formula and a conversion table.

How to convert millimeters to micrometers

One millimeter equals 1,000 micrometers, so multiply the number of millimeters by 1,000. For example, 5 mm × 1,000 = 5,000 µm.

Millimeters to micrometers table

Millimeters (mm)Micrometers (µm)
0.1 mm100 µm
0.5 mm500 µm
1 mm1,000 µm
2 mm2,000 µm
3 mm3,000 µm
4 mm4,000 µm
5 mm5,000 µm
6 mm6,000 µm
7 mm7,000 µm
8 mm8,000 µm
9 mm9,000 µm
10 mm10,000 µm
15 mm15,000 µm
20 mm20,000 µm
25 mm25,000 µm
30 mm30,000 µm
50 mm50,000 µm
75 mm75,000 µm
100 mm100,000 µm
250 mm250,000 µm
500 mm500,000 µm
1,000 mm1,000,000 µm

Need it the other way? Use the micrometers to millimeters converter, or the unit converter for any other length unit.

Questions

How many micrometers are in a millimeter?

1 mm = 1,000 µm.

How many millimeters are in a micrometer?

1 µm = 0.001 mm.

What is 10 mm in µm?

10 mm = 10,000 µm.