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Formula for Millimeter to Micrometer Conversion
How many micrometer in a millimeter? (mm to µm)
To convert millimeter to micrometer, multiply millimeter by 1000
µm = mm * 1000
For example, to convert 740 mm to µm:
µm = 740 mm * 1000 = 740000 µm
How many millimeters in a micrometer? (µm to mm)
To convert micrometer to millimeter, divide micrometer by 1000
mm = µm / 1000
For example, to convert 88 µm to mm:
mm = 88 µm / 1000 = 0.088 mm
What is Millimeter and MicroMeter?

- MicroMeter and Millimeter are both units of length in the metric system.
- A Micrometer is equal to 1/1000th of a Millimeter or 1/106 of a meter. A 'micro' means one millionth. It is also known as 'micron'.
- The symbol for micrometer is µm (µ is pronounced mu).
- A millimeter is 1000 times bigger than a micrometer. A 'milli' means one thousandth (1/103) and denoted by the symbol 'mm'
- Millimeter is used as a unit to measure very small lengths. Metric Ruler/Scale or instruments such as Vernier Calipers measure in mm.
- A Micrometer as a unit is used to denote diameter and thickness of microscopic objects. Examples of such objects are human hair (60-70 microns), a strand of spider web(2-5 microns). Tools such as screw gauge, micrometer tool can measure to a micrometer length.
Convert Millimeter to Micrometer (mm to µm) Table

Millimeter (mm) | Micrometer (µm) |
---|---|
0.01 mm | 10 µm |
0.05 mm | 50 µm |
0.75 mm | 750 µm |
1 mm | 1000 µm |
1.2 mm | 1200 µm |
1.5 mm | 1500 µm |
1.6 mm | 1600 µm |
1.8 mm | 1800 µm |
2.5 mm | 2500 µm |
2.5 mm | 2500 µm |
3.5 mm | 3500 µm |
5 mm | 5000 µm |
10 mm | 10000 µm |
12 mm | 12000 µm |
16 mm | 16000 µm |
30 mm | 30000 µm |
35 mm | 35000 µm |
50 mm | 50000 µm |
60 mm | 60000 µm |
70 mm | 70000 µm |
100 mm | 100000 µm |
120 mm | 120000 µm |
150 mm | 150000 µm |
200 mm | 200000 µm |
250 mm | 250000 µm |
300 mm | 300000 µm |
400 mm | 400000 µm |
500 mm | 500000 µm |
750 mm | 750000 µm |
1000 mm | 1000000 µm |
1500 mm | 1500000 µm |
2000 mm | 2000000 µm |
2500 mm | 2500000 µm |
5000 mm | 5000000 µm |
6000 mm | 6000000 µm |
8000 mm | 8000000 µm |
10000 mm | 10000000 µm |
20000 mm | 20000000 µm |
25000 mm | 25000000 µm |
50000 mm | 50000000 µm |
1000000 mm | 1000000000 µm |
Convert Micrometers to Millimeter (µm to mm) Table

Micrometer (µm) | Millimeter (mm) |
---|---|
0.05 µm | 0.00005 mm |
0.1 µm | 0.0001 mm |
0.25 µm | 0.00025 mm |
0.5 µm | 0.0005 mm |
1 µm | 0.001 mm |
1.5 µm | 0.0015 mm |
2 µm | 0.002 mm |
2.5 µm | 0.0025 mm |
3 µm | 0.003 mm |
3.5 µm | 0.0035 mm |
3.6 µm | 0.0036 mm |
4 µm | 0.004 mm |
5 µm | 0.005 mm |
5.6 µm | 0.0056 mm |
6 µm | 0.006 mm |
6.5 µm | 0.0065 mm |
7 µm | 0.007 mm |
10 µm | 0.01 mm |
12 µm | 0.012 mm |
15 µm | 0.015 mm |
20 µm | 0.02 mm |
25 µm | 0.025 mm |