What is a Micrometer (μm)?

A micrometer (μm) is a unit of length in the metric system, equal to one millionth of a meter (10⁻⁶ m).

Definition

Symbol

μm

Category

Length

System

Metric

1 {unit} = {value} {otherUnit}

1 Micrometer = 0.001 Millimeter (mm)

1 Micrometer = 0.0001 Centimeter (cm)

1 Micrometer = 0.000001 Meter (m)

1 Micrometer = 1e-9 Kilometer (km)

1 Micrometer = 0.0000393701 Inch (in)

Common Uses

  • Cell biology
  • Thin film thickness
  • Powder particle sizing

Micrometer Conversions

Related Units