How to insert the Sigma upper case Σ and Sigma lower case σ symbols in Microsoft Word, Excel, PowerPoint, or Outlook. Both in Office for Windows and Office for Mac.
Sigma (uppercase Σ / lowercase σ) is the eighteenth letter of the Greek alphabet. In mathematics, the uppercase sigma symbol is used as an operator for summation, in statistics, the lowercase sigma can be used to represent standard deviation of population.
How Sigma upper case and Sigma lower case look in different fonts.
Here’s some examples of how the Sigma upper case and Sigma lowercase symbols look in common Office fonts in Word 365.
Sigma upper and lowercase symbol codes
These are the important code numbers or values you’ll need to enter the two symbols.
Use the Alt + X shortcut in Word for Windows, for example type 03A3 then Alt + X to enter Σ.
Or enter the value into Character Code fields in Symbol dialog boxes to jump to that symbol.
Sigma uppercase symbol Σ U+03A3
Sigma lowercase symbol σ U+03C3
Quick access for commonly used symbols.
If you use a symbol often, a fast way to enter it is AutoCorrect.
Once in a document you can copy it to AutoCorrect and make your own shortcut.
Word, Excel, PowerPoint and Outlook
Insert | Symbols | Symbol and look for the Sigma symbol using Character Code 03A3 or 03C3.
Window 11/10 Emoji Panel
The Windows 11/10 Emoji Panel has the Sigma symbol Σ. Use Win + . (period/fullstop) to open the panel.
Choose the Symbols tab (the third of the top row icons), then the Language Symbols section which is marked by the capital Ω Omega. To find the Sigma letters, scroll down the list.
See Emoji Panel is part of Windows 10 that totally sucks
Windows Character Map
Similarly, the Windows Character Map accessory in all Windows releases. Character Map has a search feature, something missing from the Insert | Symbol in Office.
Or use one of the hex character codes to jump to the right part of the list.
MacOS and Office for Mac inserting characters
On a Mac, to enter the Male, Female or combo symbol:
- Command + Control + Spacebar shortcut to open the Character Viewer.
- Search for “Sigma“ should find the symbol you need as the first result.
Despite the name Character Viewer, the Apple system tool will also insert characters into any program, including Office for Mac.
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