Convert Micrometers to Millimeters
Convert Micrometers(micrometer) to Millimeters(mm) or vice versa.
Related "um" Conversion Units
Convert um with other distance converter.
What is Micrometers to Millimeters Conversion?
Micrometers (µm) and millimeters (mm) are both units of length in the metric system. A millimeter is a small unit, like the thickness of a credit card. A micrometer is *much* smaller – you need a microscope to see things measured in micrometers!
This converter helps you switch between these two tiny units of measurement.
Micrometer to Millimeters Formula
Millimeters = Micrometers × 0.001 (or divide by 1000)
Example: If you have a dust particle that's 500 micrometers wide, it's 500 × 0.001 = 0.5 millimeters wide. You could *barely* see that without a microscope!
Because there are 1000 micrometers in every millimeter. So, dividing micrometers by 1000 gives you millimeters.
Micrometers = Millimeters / 0.001 (or multiply by 1000)
1 micrometer (µm) is equal to 0.001 millimeters (mm). That's like saying one tiny grain of sand is a tiny fraction of the thickness of your fingernail.
Why use this conversion?
You might need to convert between micrometers and millimeters in situations like these:
- Scientific Research
Scientists often work with very small things, like cells or bacteria, which are measured in micrometers. They might need to convert to millimeters to compare their measurements to something larger.
- Engineering and Manufacturing
Tiny parts in electronics or machines might be measured in micrometers. Engineers need to convert to millimeters to make sure everything fits together correctly. Think about the very small parts inside your phone!
- Laboratory Measurements
If you are doing lab measurements it's useful to convert between units, micrometers and millimeters are commonly used for it.
How To Convert:
It's all about moving the decimal point!
Micrometers to Millimeters (µm to mm)
Divide the number of micrometers by 1000 (or multiply by 0.001). This is the same as moving the decimal point three places to the *left*.
Example: 2500 µm = 2.5 mm
Millimeters to Micrometers (µm to mm)
Multiply the number of Millimeters by 1000 (or divide by 0.001). This is the same as moving the decimal point three places to the *right*.
Example: 0.75 mm = 750 µm
Or you can use our converter above!
Key Reminders:
- Micrometers are very small! Much smaller than millimeters.
- Dividing micrometers by 1000 gives you millimeters.
- Multiplying millimeters by 1000 gives you micrometers.
| Micrometer | Millimeter |
|---|---|
| 0.01 Micrometer | 0.00 Millimeter |
| 0.1 Micrometer | 0.00 Millimeter |
| 1 Micrometer | 0.00 Millimeter |
| 2 Micrometer | 0.00 Millimeter |
| 3 Micrometer | 0.00 Millimeter |
| 5 Micrometer | 0.01 Millimeter |
| 10 Micrometer | 0.01 Millimeter |
| 20 Micrometer | 0.02 Millimeter |
| 50 Micrometer | 0.05 Millimeter |
| 100 Micrometer | 0.10 Millimeter |
| 1000 Micrometer | 1.00 Millimeter |
| 10000 Micrometer | 10.00 Millimeter |
| 100000 Micrometer | 100.00 Millimeter |