## ››Convert span to micrometre

 span micrometre

How many span in 1 micrometre? The answer is 4.3744531933508E-6.
We assume you are converting between span and micrometre.
You can view more details on each measurement unit:
span or micrometre
The SI base unit for length is the metre.
1 metre is equal to 4.3744531933508 span, or 1000000 micrometre.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between span and micrometres.
Type in your own numbers in the form to convert the units!

## ››Quick conversion chart of span to micrometre

1 span to micrometre = 228600 micrometre

2 span to micrometre = 457200 micrometre

3 span to micrometre = 685800 micrometre

4 span to micrometre = 914400 micrometre

5 span to micrometre = 1143000 micrometre

6 span to micrometre = 1371600 micrometre

7 span to micrometre = 1600200 micrometre

8 span to micrometre = 1828800 micrometre

9 span to micrometre = 2057400 micrometre

10 span to micrometre = 2286000 micrometre

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You can do the reverse unit conversion from micrometre to span, or enter any two units below:

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## ››Definition: Micrometer

A micrometre (American spelling: micrometer, symbol µm) is an SI unit of length equal to one millionth of a metre, or about a tenth of the size of a droplet of mist or fog. It is also commonly known as a micron, although that term is officially outdated. It can be written in the expanded mathmatical notation (1×10-6 m)

The symbol µ is the "micro sign", which should look identical to the Greek letter mu (?) (the two may or may not look the same, depending on the font). The symbol "um" is sometimes used, when the µ and ? are not available, for example when using a typewriter.

The micrometre is a common unit of measurement for wavelengths of infrared radiation. Some people (especially in astronomy and the semiconductor business) use the old name micron and/or the solitary symbol µ (both of which were official between 1879 and 1967) to denote a micrometre. This practice persists in the face of official discouragement, perhaps to help disambiguate between the unit of measurement and the micrometer, a measuring device.

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