Micrometers to Millimeters Converter
1 Micrometer = 0.001 Millimeters
um
mm
1 um = 0.001 mm. To convert micrometers to millimeters, multiply by 0.001; to convert back, multiply by 1,000.
Conversion formula
1 um = 0.001 mm
To convert from Micrometers to Millimeters, multiply the value in micrometers by 0.001.
| Micrometers (um) | Millimeters (mm) |
|---|---|
| 0.001 | 0.000001 |
| 0.01 | 0.00001 |
| 0.1 | 0.0001 |
| 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 |
1 micrometer in every length unit
| Meters | 0.000001 m |
| Kilometers | 1e-9 km |
| Centimeters | 0.0001 cm |
| Millimeters | 0.001 mm |
| Nanometers | 1,000 nm |
| Miles | 6.21371e-10 mi |
| Yards | 0.00000109361 yd |
| Feet | 0.00000328084 ft |
| Inches | 0.0000393701 in |
| Nautical Miles | 5.39957e-10 nmi |
| Light Years | 1.057e-22 ly |
Frequently Asked Questions
How many millimeters are in 1 micrometer?
1 micrometer equals 0.001 millimeters. So 10 micrometers are 0.01 millimeters and 100 micrometers are 0.1 millimeters.
How do I convert micrometers to millimeters by hand?
Multiply the number of micrometers by 0.001. To go the other way, multiply millimeters by 1,000 (or divide by 0.001).
How many micrometers are in 1 millimeter?
1 millimeter equals 1,000 micrometers.