Convert Micrometers to Millimeters
1 µm = 0.001 mm
Conversion Table
| micrometers (µm) | millimeters (mm) |
|---|---|
| 0.5 | 0.0005 |
| 1 | 0.001 |
| 2 | 0.002 |
| 5 | 0.005 |
| 10 | 0.01 |
| 25 | 0.025 |
| 50 | 0.05 |
| 100 | 0.1 |
| 250 | 0.25 |
| 500 | 0.5 |
| 1000 | 1 |
How to Convert micrometers to millimeters
To convert micrometers to millimeters, multiply the value by the conversion factor:
For example: 10 µm = 0.01 mm
About micrometers and millimeters
The Conversion Formula
To convert micrometers to millimeters, multiply the value by the conversion factor: 1 µm = 0.001 mm. For a worked example, suppose you need to convert 25 µm to millimeters: 25 × 0.001 = 0.025 mm. To convert in the opposite direction, divide by 0.001, or equivalently multiply by 1000.
About micrometers
The micrometer, often called the micron, is a unit derived to measure the invisible world. Represented by the symbol µm, it is one-millionth of a meter. Its usage exploded with the semiconductor industry, where circuit features shrank to microscopic scales. It is also the standard unit for grading wool fiber quality and measuring infrared radiation wavelengths. micrometers are commonly used in Microchip manufacturing, Cell biology, Air quality (PM2.5 particles), and Plastic film thickness, Fiber optics.
A human red blood cell is about 7-8 micrometers wide.
About millimeters
The millimeter (mm) is the standard unit for engineering and manufacturing precision. Defined as one thousandth of a meter, it allows for accurate specifications without resorting to fractions. In the late 19th century, the adoption of the millimeter in industrial design helped standardize interchangeable parts, a key driver of modern mass production. It is also the standard for reporting rainfall in meteorology. millimeters are commonly used in Engineering blueprints, Smartphone dimensions, Jewelry sizing, and Medical instruments, Meteorology (rainfall).
A standard credit card is 0.76 mm thick.
When Would You Convert micrometers to millimeters?
Converting between micrometers and millimeters is one of the most common length conversions. You might need this conversion when working with international specifications, following instructions written for a different measurement system, or comparing values across different standards. Having the conversion factor (1 µm = 0.001 mm) memorized or bookmarked can save time in professional and everyday contexts alike.