Millimeters (mm) to Microns (µm) Converter

How many Millimeters (mm) are in a Micron (µm)?

To understand the conversion between millimeters and microns, you need to know that there are 0.001 millimeters in one micron. Conversely, there are 1,000 microns in one millimeter.

What is the formula for how to convert Millimeters (mm) to Microns (µm)?

The formula to convert millimeters to microns is straightforward:

Microns (µm) = Millimeters (mm) × 1,000

For example, if you have 5 millimeters and want to convert them to microns:

Microns (µm) = 5 mm × 1,000 = 5,000 µm

Millimeters (mm) to Microns (µm) Conversion Table

Here is a conversion table showing common values in millimeters (mm) alongside their corresponding measurements in microns (µm):

Millimeters (mm)Microns (µm)

Conversion of 1 Millimeter (mm) to Other Units of Length Measurement

Here’s a list of conversions from 1 millimeter to various other units of length measurement:

  • 1 Millimeter (mm) = 1,000 Microns (µm)
  • 1 Millimeter (mm) = 0.1 Centimeters (cm)
  • 1 Millimeter (mm) = 0.01 Decimeters (dm)
  • 1 Millimeter (mm) = 0.001 Meters (m)
  • 1 Millimeter (mm) = 0.000001 Kilometers (km)
  • 1 Millimeter (mm) ≈ 0.039370079 Inches (in)
  • 1 Millimeter (mm) ≈ 0.0032808399 Feet (ft)
  • 1 Millimeter (mm) ≈ 0.0010936133 Yards (yd)
  • 1 Millimeter (mm) ≈ 0.00000062137119 Miles (mi)
  • 1 Millimeter (mm) ≈ 0.00000053995680 Nautical miles (nmi)

What is a Millimeter (mm)?

System of Measurement: A millimeter (mm) is a unit of length in the metric system. It is used in various fields for measurements that are neither extremely large nor extremely small, making it a convenient everyday unit.

History: The millimeter is derived from the meter, which is one of the fundamental units of the metric system. It is commonly used for small measurements in science, engineering, construction, and everyday life.

Examples: To provide a sense of scale, here are a few examples of objects or features measured in millimeters:

  • The thickness of a credit card is about 0.76 millimeters.
  • A standard paperclip is approximately 33 millimeters long.
  • A typical smartphone screen is around 100 millimeters in diagonal length.

What is a Micron (µm)?

System of Measurement: A micron (µm) is a unit of length in the metric system. It is also referred to as a micrometer. Micrometers are often used in science and industry to measure very small lengths or the wavelengths of light.

History: The concept of the micron has been around for centuries, but the term “micron” was officially accepted as a unit of measurement in the mid-19th century. It is widely used to describe lengths in the nanoscale, such as the size of microorganisms, tiny components in electronics, or wavelengths of visible light.

Examples: To provide a sense of scale, here are a few examples of objects or features measured in microns:

  • Bacteria are typically a few microns in size.
  • The average diameter of a human hair strand is about 50 to 70 microns.
  • Integrated circuits in electronics can have features in the sub-micron range.

Understanding the conversion from millimeters to microns is useful in situations where small but precise measurements are necessary, such as in scientific research, manufacturing, or quality control processes.