θ
θ Theta Symbol
Theta (θ) is the Greek letter commonly used for angles in geometry and trigonometry.
Also known as: theta symbol, greek small letter theta, angle symbol.
Codes
| Symbol | θ | |
| Unicode | U+03B8 | |
| HTML entity (named) | θ | |
| HTML entity (decimal) | θ | |
| HTML entity (hex) | θ | |
| CSS | \03B8 | |
| LaTeX | \theta |
How to type θ (Theta Symbol)
Windows
In Microsoft Word, type 03B8 then Alt + X. In other apps, open the symbol panel with Win + . (period) and search “theta”, or copy from above.
Mac
Open Character Viewer (Control + Cmd + Space), search “greek small letter theta”, and double-click θ.
Microsoft Word03B8, Alt + X
Type 03B8, then press Alt + X to convert it to θ.
Google Docs
Insert → Special characters, then search “theta”.
LaTeX\theta
Use \theta in math mode (\vartheta gives the variant ϑ).
Usage
- θ commonly represents an angle in geometry and trigonometry.
- In polar coordinates, a point is written (r, θ).
- In statistics, θ often denotes an unknown parameter to be estimated.