Convert mm to micrometers
Convert millimeters to micrometers by entering a value below.
How to Convert Millimeters to Micrometers
The millimeter and micrometer are both units of length. By definition, 1 millimeter equals exactly 1000 micrometers. This means to convert millimeters to micrometers, you multiply by 1000.
Formula
Step-by-Step Example
Convert 5 mm to micrometers:
We need to convert millimeters to micrometers
Since 1 mm = 1000 μm, multiply by 1000
5 × 1000 = 5000
5 mm = 5000 μm
Millimeter to Micrometer Conversion Table
Quick reference table for common millimeter to micrometer conversions. Click any value for detailed calculation.
| Millimeters (mm) | Micrometers (μm) |
|---|---|
| 0.1 mm | 100 μm |
| 0.5 mm | 500 μm |
| 1 mm | 1000 μm |
| 2 mm | 2000 μm |
| 5 mm | 5000 μm |
| 10 mm | 10000 μm |
| 25 mm | 25000 μm |
| 50 mm | 50000 μm |
| 100 mm | 100000 μm |
About These Units
Millimeter (mm)
A millimeter (mm) is a metric unit of length equal to 1/1000 of a meter or 0.03937 inches. Millimeters are essential for precision measurements in engineering, manufacturing, medical imaging, and rainfall measurements. There are 25.4 mm in one inch.
Micrometer (μm)
A micrometer (μm), also called a micron, is a metric unit equal to one millionth of a meter or 0.001 millimeters. Micrometers are used for measuring bacteria (1-10 μm), human hair diameter (70-100 μm), red blood cells (7 μm), and semiconductor features.
Frequently Asked Questions
How do I convert millimeters to micrometers?
To convert millimeters to micrometers, multiply the value by 1000. For example, 10 mm = 10000 μm.
How many micrometers are in 1 millimeter?
1 millimeter equals 1000 micrometers.
What is the formula for millimeters to micrometers?
The formula is: μm = mm × 1000.