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Single conversion
To convert from Micrometer (μm) to Millimeter (mm), use the following formula:
Let's convert 5 Micrometer (μm) to Millimeter (mm).
Using the formula:
Therefore, 5 Micrometer (μm) is equal to Millimeter (mm).
Here are some quick reference conversions from Micrometer (μm) to Millimeter (mm):
| Micrometers | Millimeters |
|---|---|
| 0.000001 μm | mm |
| 0.001 μm | mm |
| 0.1 μm | mm |
| 1 μm | mm |
| 2 μm | mm |
| 3 μm | mm |
| 4 μm | mm |
| 5 μm | mm |
| 6 μm | mm |
| 7 μm | mm |
| 8 μm | mm |
| 9 μm | mm |
| 10 μm | mm |
| 20 μm | mm |
| 30 μm | mm |
| 40 μm | mm |
| 50 μm | mm |
| 100 μm | mm |
| 1000 μm | mm |
| 10000 μm | mm |
For all Length converters, choose units using the From/To dropdowns above.
A micrometer (μm), commonly referred to as a micron, is a unit of length in the metric system.
It is extremely small, equal to one millionth of a meter (10-6 m).
The micrometer may be tiny, but it's indispensable wherever extreme precision is required. Here are some examples of how it's used across different industries:
Electronics manufacturing: Parts like transistors, traces, and other microchip features are measured in micrometers. Modern CPUs and memory chips depend on manufacturing at these microscopic scales.
Aerospace engineering: Components are machined to micrometer tolerances, ensuring they fit and perform reliably under extreme stress and temperature conditions.
Medical devices: Stents, catheters, and many surgical tools must be produced with micrometer-level accuracy to ensure patient safety and proper function.
Textiles: Fiber diameters—such as wool, silk, and synthetic fibers—are measured in micrometers to assess softness, strength, and the best uses for each material.
Small unit, significant impact: micrometer-level precision underpins quality, safety, and performance across many fields.
It can be hard to grasp just how small a micrometer is.
To put this micrometer size comparison into perspective, consider these examples:
These comparisons highlight the incredible microscopic scale the micrometer represents, far smaller than anything the naked eye can perceive.
Yes, they are the same.
The official name for this unit in the International System of Units (SI) is the micrometer; however, it is often still referred to by its older name, the micron.
The term "micron" was officially retired in 1967 to standardize terminology and prevent confusion. Nonetheless, it remains commonly used in various industries and scientific contexts due to habit.
Therefore, when you encounter a measurement in microns, it is equivalent to a micrometer (1×10-6 meters).
A millimeter (mm) is a small unit of length in the metric system, equal to one-thousandth of a meter (1/1000 m or 0.001 m).
The word itself comes from the Latin "mille," meaning "thousand."
This is why the prefix "milli" in the metric system always means one-thousandth of a base unit—just like a milligram is one-thousandth of a gram.
The plural form is millimeters.
Understanding the relationship between millimeters and inches is crucial, particularly for projects that utilize both metric and imperial systems.
The official mm-to-inch conversion is a precise measurement used worldwide in engineering and manufacturing.
The millimeter is the standard unit for measuring small distances with precision.
You likely encounter millimeter measurements more often than you think in daily life, science, and technology.