A micrometer (British spelling: micrometre; symbol µm) is one millionth of a meter, or equivalently one thousandth of a millimeter. Inches redirects here To see the Les Savy Fav album see Inches. American and British English spelling differences are one aspect of American and British English differences. micro- ( µ) is a prefix in the SI and other systems of units denoting a factor of 10&minus6 (one Millionth. The metre or meter is a unit of Length. It is the basic unit of Length in the Metric system and in the International The Millimetre ( American spelling: millimeter, symbol mm) is a unit of Length in the Metric system, equal to It is also commonly known as a micron. It can be written in scientific notation as 1×10⁻⁶ m, meaning 1/1 000 000 m. Scientific notation, also sometimes known as standard form or as exponential notation, is a way of writing numbers that accommodates values too large or small to be

The symbol µm's character µ (Unicode character U+00B5; HTML µ) is "micro-", which should look identical to the Greek letter mu (μ) (the two may or may not look the same, depending on the font). In Computing, Unicode is an Industry standard allowing Computers to consistently represent and manipulate text expressed in most of the world's For other uses see Character. In Computer and machine-based Telecommunications terminology a character is a unit of HTML, an initialism of HyperText Markup Language, is the predominant Markup language for Web pages It provides a means to describe the structure micro- ( µ) is a prefix in the SI and other systems of units denoting a factor of 10&minus6 (one Millionth. The Greek alphabet (Ελληνικό αλφάβητο is a set of twenty-four letters that has been used to write the Greek language since the late 9th or early Mu (uppercase Μ, lowercase μ; Μι or el Μυ) is the 12th letter of the Greek alphabet. In Typography, a typeface is a set of one or more Fonts designed with stylistic unity each comprising a coordinated set of Glyphs A typeface usually comprises The symbol µm is sometimes replaced by "um" when a suitable glyph for µ is not readily available, for example in ASCII or when using a typewriter, although this is non-standard. A glyph is an element of writing Two or more glyphs representing the same symbol whether interchangeable or context-dependent are called Allographs the abstract unit they American Standard Code for Information Interchange ( ASCII) A typewriter is a mechanical or Electromechanical device with a set of "keys" that when pressed cause characters to be printed on a medium

The micrometer is a common unit of measurement for wavelengths of infrared radiation. Measurement is the process of estimating the magnitude of some attribute of an object such as its length or weight relative to some standard ( unit of measurement) such as In Physics wavelength is the distance between repeating units of a propagating Wave of a given Frequency. Infrared ( IR) radiation is Electromagnetic radiation whose Wavelength is longer than that of Visible light, but shorter than that of Some people (especially in astronomy and the semiconductor industry) use the old name micron and/or the solitary symbol µ (both of which were official between 1879 and 1967) to denote a micrometer. Astronomy (from the Greek words astron (ἄστρον "star" and nomos (νόμος "law" is the scientific study A semiconductor' is a Solid material that has Electrical conductivity in between a conductor and an insulator; it can vary over that This practice persists in the face of official discouragement, perhaps to help disambiguate between the unit of measurement and the micrometer, a measuring device.

Input

The µ symbol can be entered the following ways:

• Alt+230 - Alt code from CP437 and other IBM codepages; on Windows and DOS. In PCs running the Microsoft Windows or DOS Operating systems additional characters to those available by the current Keyboard layout may be typed IBM PC or MS-DOS Code page 437, often abbreviated CP437 and also known as DOS-US, OEM-US or sometimes misleadingly referred
• Alt+0181 - Alt code from ISO-8859-1 etc; on Windows. ISO 8859-1, more formally cited as ISO/IEC 8859-1 is part 1 of ISO/IEC 8859, a standard Character encoding of the Latin alphabet.
• AltGr+m - on many non-US keyboard layouts, also Option+m on a Mac. AltGr is a Modifier key on PC keyboards used to type many characters primarily ones that are unusual for the locale of the Keyboard layout, such The 'Option key' is a Modifier key present on Apple keyboards It is located between the Control key and Command key on a typical Mac keyboard
• Ctrl+Shift+B5 - Unicode hex code; on Linux.

See also

• 1 E-6 m (for a comparative description of the micrometre in the context of other orders of magnitude)
• SI
• SI prefix
• Metric system
• Orders of magnitude
• Micronization