Windows
2 options- In Word / Outlook: type 03B8 then press Alt + X.
- Anywhere: press Win + . to open the emoji & symbol picker, then search.
Greek Small Letter Theta Symbol
A symbol from the Math Symbols collection. Click the symbol or the button below to copy.
- Symbol
- θ
- Unicode
- U+03B8
- HTML entity
- θ
- Category
- Math Symbols
Export
Download Greek Small Letter Theta as SVG or PNG — or add a caption to make a labelled icon, badge or sticker.
Background
Previewtransparent background
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90 of 96 in the math symbols collection
About the greek small letter theta symbol
The eighth letter of the Greek alphabet, theta has a distinctive rounded shape with a central horizontal stroke. In modern written Greek it represents a voiceless dental fricative sound, like the 'th' in "thin."
Beyond its alphabetic role, theta is widely adopted in mathematics and science as a variable for angles, especially in trigonometry and polar coordinates. It also appears in statistics for a parameter and in physics for temperature or angular displacement.
How to type Greek Small Letter Theta
Native keyboard shortcuts for each operating system — derived from the codepoint, so the steps below are always accurate.
macOS
2 options- Enable “Unicode Hex Input” in System Settings → Keyboard, then hold Option and type 03B8.
- Or: Control + Command + Space opens the Character Viewer — search by name.
Linux
1 step- Press Ctrl + Shift + U, type 3B8, then press Enter or Space.
Copy in every format
Every form of this character — for HTML, CSS, JavaScript, URLs and more. Click any value to copy.
Related math symbols
Other math symbols you can copy and paste — explore similar Unicode characters from the same family.
- +Plus SignCopy the plus sign symbol→
- −Minus SignCopy the minus sign symbol→
- ×Multiplication SignCopy the multiplication sign symbol→
- ÷Division SignCopy the division sign symbol→
- ±Plus-Minus SignCopy the plus-minus sign symbol→
- ∓Minus-Or-Plus SignCopy the minus-or-plus sign symbol→
- =Equals SignCopy the equals sign symbol→
- ≠Not Equal ToCopy the not equal to symbol→
- ≈Almost Equal ToCopy the almost equal to symbol→
- ≡Identical ToCopy the identical to symbol→
- ≤Less-Than Or Equal ToCopy the less-than or equal to symbol→
- ≥Greater-Than Or Equal ToCopy the greater-than or equal to symbol→
Explore related collections
Browse other symbol families that pair well with math symbols.