Millimeters to Micrometers Converter
1 Millimeter = 1,000 Micrometers
mm
um
1 mm = 1,000 um. To convert millimeters to micrometers, multiply by 1,000; to convert back, multiply by 0.001.
Conversion formula
1 mm = 1,000 um
To convert from Millimeters to Micrometers, multiply the value in millimeters by 1,000.
| Millimeters (mm) | Micrometers (um) |
|---|---|
| 0.001 | 1 |
| 0.01 | 10 |
| 0.1 | 100 |
| 1 | 1,000 |
| 2 | 2,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 25 | 25,000 |
| 50 | 50,000 |
| 100 | 100,000 |
| 250 | 250,000 |
| 500 | 500,000 |
| 1000 | 1,000,000 |
1 millimeter in every length unit
| Meters | 0.001 m |
| Kilometers | 0.000001 km |
| Centimeters | 0.1 cm |
| Micrometers | 1,000 um |
| Nanometers | 1,000,000 nm |
| Miles | 6.21371e-7 mi |
| Yards | 0.00109361 yd |
| Feet | 0.00328084 ft |
| Inches | 0.0393701 in |
| Nautical Miles | 5.39957e-7 nmi |
| Light Years | 1.057e-19 ly |
Frequently Asked Questions
How many micrometers are in 1 millimeter?
1 millimeter equals 1,000 micrometers. So 10 millimeters are 10,000 micrometers and 100 millimeters are 100,000 micrometers.
How do I convert millimeters to micrometers by hand?
Multiply the number of millimeters by 1,000. To go the other way, multiply micrometers by 0.001 (or divide by 1,000).
How many millimeters are in 1 micrometer?
1 micrometer equals 0.001 millimeters.