Micrometers to Nanometers Converter

Use this converter to easily convert between Micrometers and Nanometers (μm to nm). Micrometers are also known as Microns.

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    Quick navigation:
  1. How many Nanometers in one Micrometer?
  2. Difference between Micrometers and Nanometers
  3. How to convert Micrometers to Nanometers
  4. μm to nm conversion table

    How many Nanometers in one Micrometer?

The micrometer and the nanometer are units of the metric system used for measuring length. Their abbreviations are respectively μm and nm. According to the International System of Units 1 nanometer is equivalent to 0.001 μm, which means that there are 1,000 nm in 1 micrometer.

    Difference between Micrometers and Nanometers

The micro- and the nanometer are both derived from the primary measurement unit that is the meter.

Micrometers used to be referred to as microns in the past, but since 1967 that term has been revoked. The μm is 1/1,000,000 the size of a meter. It is applied when measuring cell and bacteria sizes and wavelengths of radiation, for example. It is known that a standard bacterium is 1 μm in size.

A nanometer is a thousand times smaller than a micrometer. Therefore, in the past it would be called a millimicrometer, or a millimicron for short.

The nanometer is largely used unit in physics. Nowadays, most people know that visible light’s wavelength ranges from about 400 to 700 nm.

Needless to say, both nanometers and micrometers are applied exclusively in science. They are preferred in fields where matter is measured and manipulated at an atomic level.

    How to convert Micrometers to Nanometers

In order to convert micrometers to nanometers, you can rely on this formula:

μm x 1,000 = nm.

μm to nm conversion example

Sample task: convert 500 micrometers to nanometers. Solution:

μm * 1000 = nm
500 μm * 1,000 = 500,000 nm
End result:
500 μm is equal to 500,000 nm

    μm to nm conversion table

μm to nm conversion table
μm nm
1 μm 1,000 nm
2 μm 2,000 nm
3 μm 3,000 nm
4 μm 4,000 nm
5 μm 5,000 nm
6 μm 6,000 nm
7 μm 7,000 nm
8 μm 8,000 nm
9 μm 9,000 nm
10 μm 10,000 nm
20 μm 20,000 nm
30 μm 30,000 nm
40 μm 40,000 nm
50 μm 50,000 nm
60 μm 60,000 nm
70 μm 70,000 nm
80 μm 80,000 nm
90 μm 90,000 nm
100 μm 100,000 nm
200 μm 200,000 nm
300 μm 300,000 nm
400 μm 400,000 nm
500 μm 500,000 nm
600 μm 600,000 nm
700 μm 700,000 nm
800 μm 800,000 nm
900 μm 900,000 nm
1,000 μm 1,000,000 nm


1 NIST Special Publication 330 (2008) - "The International System of Units (SI)", edited by Barry N.Taylor and Ambler Thompson

2 International Organization for Standardization (1993). ISO Standards Handbook: Quantities and units (3rd edition). Geneva: ISO. ISBN 92-67-10185-4.

Cite this converter & page

If you'd like to cite this online converter resource and information as provided on the page, you can use the following citation:
Georgiev G.Z., "Micrometer to nm Converter", [online] Available at: https://www.gigacalculator.com/converters/convert-micrometer-to-nanometer.php URL [Accessed Date: 29 May, 2023].