Millimeters to micrometers
1 millimeter = 1,000 µm · 1 micrometer = 0.001 mm
How to convert millimeters to micrometers
To convert millimeters to micrometers, multiply the value by 1,000.
Formula: µm = mm × 1,000
Example: 10 mm = 10,000 µm
Millimeters to micrometers conversion table
| millimeters (mm) | micrometers (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 |
| 30 mm | 30,000 µm |
| 40 mm | 40,000 µm |
| 50 mm | 50,000 µm |
| 75 mm | 75,000 µm |
| 100 mm | 100,000 µm |
| 250 mm | 250,000 µm |
| 500 mm | 500,000 µm |
| 1,000 mm | 1,000,000 µm |
About these units
Millimeter (mm)
A millimeter (mm) is one thousandth of a meter. Engineering drawings, construction, rainfall and screw or tire sizes use millimeters.
Frequently asked questions
How many micrometers are in 1 millimeter?
1 mm = 1,000 µm
How many millimeters are in 1 micrometer?
1 µm = 0.001 mm
What is 50 mm in µm?
50 mm = 50,000 µm (50 × 1,000)
What is 100 mm in µm?
100 mm = 100,000 µm (100 × 1,000)