Windows
2 options- In Word / Outlook: type 03A9 then press Alt + X.
- Anywhere: press Win + . to open the emoji & symbol picker, then search.
Greek Capital Letter Omega
A symbol from the Math Symbols collection. Click the symbol or the button below to copy.
- Symbol
- Ω
- Unicode
- U+03A9
- HTML entity
- Ω
- Category
- Math Symbols
Export
Download Greek Capital Letter Omega as a vector SVG or a raster PNG.
SVG uses the system font stack — open in any vector editor and convert to outlines if needed. PNGs have a transparent background.
58 of 58 in the math symbols collection
About the greek capital letter omega symbol
Omega represents the final letter of the Greek alphabet and is read as a long o sound. As a capital letter, it is written as an open circle with two horizontal feet at the base. It belongs to the Greek and Coptic block and is categorized as a letter, though its widespread application across technical fields often places it alongside mathematical and scientific symbols.
Commonly found in STEM contexts, this character serves as the standard unit symbol for the ohm, which measures electrical resistance. In mathematics and statistics, it frequently denotes the sample space or the finest possible results in a probability experiment. Religious and literary texts also employ the symbol to represent the end or the ultimate conclusion of a sequence, often paired with alpha to signify a complete range.
How to type Greek Capital Letter Omega
Native keyboard shortcuts for each operating system — derived from the codepoint, so the steps below are always accurate.
macOS
2 options- Press Option + Z on a US keyboard.
- Or: Control + Command + Space opens the Character Viewer.
Linux
1 step- Press Ctrl + Shift + U, type 3A9, 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.
Part of the Greek And Coptic block
Ω greek capital letter omega lives inside the Greek And Coptic Unicode block. Browse every indexed character in Greek And Coptic →
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→
More math symbols
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