Micrometer (µm)
One millionth of a meter, also called a micron.
Result
1 micrometer = 0.001 millimeters
Micrometer at a glance
| Unit name | Micrometer (plural: micrometers) |
|---|---|
| Symbol | µm |
| Quantity measured | Length |
| Measurement system | Metric |
| Also known as | micrometre, micron, microns, um, µm |
| Definition exact? | Yes — exact by definition |
1 micrometer in other length units
| Unit | 1 µm equals |
|---|---|
| Nanometer | 1,000 nm |
| Millimeter | 0.001 mm |
| Centimeter | 0.0001 cm |
| Decimeter | 0.00001 dm |
| Meter | 0.000001 m |
| Kilometer | 1 × 10⁻⁹ km |
| Inch | 0.00003937 in |
| Foot | 0.000003281 ft |
| Yard | 0.000001094 yd |
| Mile | 6.21371192 × 10⁻¹⁰ mi |
| Nautical mile | 5.39956803 × 10⁻¹⁰ nmi |
| Angstrom | 10,000 Å |
| Mil | 0.039370079 mil |
| Fathom | 0.000000547 ftm |
| Rod | 0.000000199 rd |
| Chain | 4.97096954 × 10⁻⁸ ch |
| Furlong | 4.97096954 × 10⁻⁹ fur |
| League | 2.07123731 × 10⁻¹⁰ lea |
| Astronomical unit | 6.68458712 × 10⁻¹⁸ au |
| Light-year | 1.05700083 × 10⁻²² ly |
| Parsec | 3.24077929 × 10⁻²³ pc |
Frequently asked questions
- What is a micrometer?
- One millionth of a meter, also called a micron.
- What is the symbol for the micrometer?
- The symbol for the micrometer is µm. It measures length.
- How many millimeters are in a micrometer?
- 1 micrometer = 0.001 millimeters.
- How many centimeters are in a micrometer?
- 1 micrometer = 0.0001 centimeters.
- How many meters are in a micrometer?
- 1 micrometer = 0.000001 meters.