How to Type the Theta (θ) Symbol

Here’s how to type the theta symbol (θ) in various platforms, such as Microsoft Word on a PC, Mac, and mobile devices.

Henry Chapman, Contributor

September 20, 2023

2 Min Read
Close-up of grey computer keyboard with symbols.
MikeCS images / Alamy Stock Photo

You don’t need to have graduated Phi Theta Kappa to insert the theta symbol (θ) into a Microsoft Word document, on a Mac, or on iOS and Android devices.

Each effortless method is explained below. 

How to Insert the Theta Symbol in Microsoft Word

When using Microsoft Word on a PC, click to the place in your document where you would like to insert the theta symbol. Next, hold the Alt key and type the numbers 233.  

The Advanced Symbols library in Microsoft Word is another place to find the theta symbol. You can access the Advanced Symbols library under the Insert tab. Once you access the library, double-click the theta symbol to include it in your document.

You can find the theta symbol in the Advanced Symbols library in Microsoft Word.

Theta Symbol

If you plan on using the theta symbol multiple times in a Microsoft Word document, you can adjust your AutoCorrect options to automatically replace a word or phrase (such as “easy as theta”) with the symbol. 

How to Insert the Theta Symbol on a Mac

Go to your Mac’s Character Viewer to insert the theta symbol. First, hold down the Control, Command, and Spacebar keys. Then search for “theta” in the window that appears or scroll to the section heading Math Symbols. Double-click the theta symbol or highlight and drag the symbol into your document. 

How to Insert the Theta Symbol on a Mobile Device

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Typing the theta sign or symbol is just as easy from the keyboard of an iOS or Android device. 

On an iPhone, change your keyboard settings to include Greek. Under Settings, tap General, then Keyboards. From here, you can “Add New Keyboard.” Now you can open the application where you would like to type the theta sign, which is the fourth letter from the left on the second row. 

To type the theta symbol on an Android device, download Gboard, the Google Keyboard. Open the application where you would like to type the theta symbol. Then tap the numbers and symbols section to find the theta sign.

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