Convert micrometer (µm) to millimeter (mm).
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Millimeter to Micrometer Converter (mm to µm)
Convert millimeter (mm) to micrometer (µm).Unit Converter · Length
Quick answer
1 millimeter (mm) is equal to 1,000 micrometers (µm). 1 micrometer (µm) is equal to 0.001 millimeters (mm).
To convert mm to µm, multiply the value in millimeters by 1,000. For example, 10 mm = 10,000 µm, and 100 mm = 1,00,000 µm.
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Quick reference — millimeter to micrometer
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How to convert millimeters to micrometers
How many micrometers are in a millimeter? 1 millimeter is 1,000 micrometers. This free mm to µm converter and millimeter to micrometer calculator gives the answer instantly for any value, and the same conversion is also written as millimetre to micrometre.
To convert millimeter (mm) to micrometer (µm), multiply the value in millimeters by 1,000.
µm = mm × 1,000
- 1
Take the value in millimeters
For example, 25 mm.
- 2
Multiply by 1,000
25 × 1,000.
- 3
Read the answer in micrometers
25 mm = 25,000 µm.
Millimeter to Micrometer conversion table
Common values from 1 to 1,000 millimeters converted to micrometers.
| Millimeter (mm) | Micrometer (µm) |
|---|---|
| 1 mm | 1,000 µm |
| 2 mm | 2,000 µm |
| 3 mm | 3,000 µm |
| 4 mm | 4,000 µm |
| 5 mm | 5,000 µm |
| 6 mm | 6,000 µm |
| 7 mm | 7,000 µm |
| 8 mm | 8,000 µm |
| 9 mm | 9,000 µm |
| 10 mm | 10,000 µm |
| 15 mm | 15,000 µm |
| 20 mm | 20,000 µm |
| 25 mm | 25,000 µm |
| Millimeter (mm) | Micrometer (µm) |
|---|---|
| 30 mm | 30,000 µm |
| 40 mm | 40,000 µm |
| 50 mm | 50,000 µm |
| 60 mm | 60,000 µm |
| 70 mm | 70,000 µm |
| 75 mm | 75,000 µm |
| 80 mm | 80,000 µm |
| 90 mm | 90,000 µm |
| 100 mm | 1,00,000 µm |
| 250 mm | 2,50,000 µm |
| 500 mm | 5,00,000 µm |
| 1,000 mm | 10,00,000 µm |
About millimeters and micrometers
Millimeter (mm)
A millimeter (mm) is one thousandth of a meter. It is the smallest division on most rulers and tape measures.
Micrometer (µm)
A micrometer (µm) is one millionth of a meter. It is used for microscopic sizes such as cells and fine fibers.
mm to µm: common questions
- How many micrometers are in 1 millimeter?
- 1 millimeter (mm) is equal to 1,000 micrometers (µm). In short: 1 mm = 1,000 µm.
- How do I convert millimeters to micrometers?
- To convert mm to µm, multiply the value in millimeters by 1,000. For example, 5 mm = 5,000 µm.
- How do I convert micrometers to millimeters?
- To convert µm to mm, divide the value in micrometers by 1,000. Or open the Micrometer to Millimeter converter, which does it for you.
- What is 10 mm in µm, and what is 100 mm?
- 10 mm = 10,000 µm, and 100 mm = 1,00,000 µm. The table above lists more values from 1 to 1,000.
- Is this mm to µm converter accurate?
- Yes. It uses the exact conversion factor and shows results to as many as 8 decimal places, so you can rely on it for study, work and everyday measuring.
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