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  • The Num lock should always be enabled. If it is disabled when you are attempting an alt code, it may cause errors or unexpected results in some applications. For example, Alt+4 could be interpreted as Alt +, ← which causes the browser to go back if the Num lock is disabled.
  • If your laptop keyboard doesn't have a separate NumPad, you should hold FN button with Alt button while typing the code.
  • This method does not work for Linux system, but it is possible to use Unicode.

Microgram Symbol

What is a microgram symbol?

Microgram (µg) is a metric measurement used for presenting the unit of mass. A microgram or so-called microgramme is equal to one millionth (e.g., 1×10-6) of a gram. According to the International System of Units, the combined symbol of "micro" and "gram" is μg. In everyday use, the recommended microgram symbol in the United Kingdom and the United States when conveying medical information is "mcg." The prefix symbol in In μg, for "micro," is the Greek letter μ (Mu).

About microgram symbol confusion and abbreviation

The U.S. Food and Drug Administration (FDA), along with the United States-based Institute for Safe Medication Practices (ISMP), recommend that the microgram symbol "μg" is better not to use when conveying medical information. Because of the risk that the prefix μ (micro-) may be misread as the prefix m (milli-). That overall results in a thousandfold overdose, so instead, the non-SI symbol "mcg" is recommended for use. In the U.K., the "μg" symbol is the widely recognized way of identifying micrograms. The "microgram symbol" is encoded by Unicode as U+338D ㎍ Square Mu G ❰ ㎍ ❱.

How to write microgram symbol

The microgram symbol is used either like "mcg" or "ug" since the µ symbol is not commonly accessible on most keyboards. The micro character (µ) is a Greek letter, which means - small. Simultaneously, micrograms are usually identified as mcg (μg). "µg" is the right symbol for the metric measurement; for example, µg = mcg = microgram = 1/1,000 of a milligram = 1/1,000,000 of a gram. Hence, a microgram is 1/1,000 of a milligram or 1/1,000,000 of a gram.

Sometimes the letters "mcg" is also used as an abbreviation for microgram symbols. Due to the symbol "µ" being typographically inaccessible, i.e., one cannot type the character on a keyboard, other versions were later devised, two of which are currently widely used signs - "mcg" and "ug."

How to type microgram symbol on Mac

Microgram (i.e., a millionth of a gram) is signified es "µg," where the letter "g" is a recurring character, but the "µ" can be typed on a german Apple or MacBook keyboard pressing the "Alt" and the "m" key at the same time.

How to insert the microgram symbol or mu sign in Word

The letter "μ" is widely popular in different fields of science. For instance, the "μ" symbol may appoint a coefficient of friction, and population means in statistics, magnetic permeability in physics, and micrometer or micron in measurement. There are several ways to quickly insert any Greek or Latin letter into an M.S. Word document. Some of the most useful methods for a microgram, micro sign, or mu letter are shown below. So. to insert them in a Word document, follow the way shown below:

You should use the Symbol font since it is convenient when you want to insert rare symbols, and it works only for Greek and Latin letters. Anytime you type the text in the M.S. Word document, you can switch to the "Symbol font" to use the corresponding Latin letters to enter Greek letters:

  1. Press Ctrl+Shift+Q to switch the current font in M.S. Word to the Symbol font.
  2. Use symbols like normal font (i.e. in “Symbol font” keyboard button "a" equals to Greek letter "α", keyboard button "b" equals to Greece letter "β", and so on. E.g. "m" -> "μ", "w" -> "ω", etc.).

*Note: The above method works only for inserting one letter. However, if you wish to insert more than one symbol, you will need to repeat these same steps for each insertion. After inserting one letter using the "Symbol font," the next character can be entered using the previous font. Also note that if you press Ctrl+Shift+Q twice, M.S. Word will not switch to the previous font, so the Symbol font won't stop to work after the first inserted symbol.

How to use and type Microgram symbol code?

  • If your keyboard contains separate NumPad, you should be sure that it is enabled. If it is not, press the Num Lock key to activate it then press hold down the Alt key on the left side. Type the number that represents that character or the symbol you want to insert and then release the insert key.
  • For example, for the greek letter omega Ω press and hold Alt and the type 0234 and then release.
  • There is another method that works only for word documents. In this method, you should type the characters first then press Alt and X. For example ( 0234 + Alt + X for greek letter omega ).
  • If you have a keyboard that doesn't have NumPad here is what will work for you. Find the Function key ( FN ) then presses and hold the function key while holding press and release Num LK key; then release FN key. This method will activate the numeric keypad in your laptop.
  • Then do the same steps as in the previous example.
  • Notice that in IBM code you don't use 0 (Alt + 255 ) before the code which is different from the windows generator that requires to add 0 (Alt + 0255 ) before the code.

Table of Symbols and Codes

Symbol Title / Description Unicode Code / HTML Code
μg Microgram &U+338D µ (Micro sign µ)