Omega Symbol Ω Copy & Paste
Copy the omega symbol Ω ω instantly. Includes Greek capital and small omega, ohm sign, and inverted ohm. HTML entities (Ω) and Unicode for physics, math, and Greek text.
All Variations
Symbol Details
| Symbol | Name | Unicode | HTML |
|---|---|---|---|
| Ω | Greek Capital Letter Omega | U+03A9 | Ω |
| ω | Greek Small Letter Omega | U+03C9 | ω |
| ℧ | Inverted Ohm Sign | U+2127 | — |
| Ω | Ohm Sign | U+2126 | — |
Usage
Omega is used in physics for the ohm unit of electrical resistance, as the last letter of the Greek alphabet ('the end' or 'the ultimate'), in fraternity and sorority names, angular velocity in physics, and in religious contexts (Alpha and Omega).
How to Type
| Platform | Method / Code |
|---|---|
| Windows | In Word, type 03A9 then Alt+X for Ω, or 03C9 then Alt+X for ω. Use the Symbol dialog (Insert > Symbol > Greek) or Character Map. |
| Mac / iOS | Press Option+Z for Ω. For ω, use the Character Viewer (Control+Command+Space) and search 'omega'. |
| HTML Entity | Use Ω or Ω for Ω. Use ω or ω for ω. For the ohm sign, use Ω. |
| Unicode | U+03A9 (Capital Omega Ω), U+03C9 (Small Omega ω), U+2126 (Ohm Sign Ω), U+2127 (Inverted Ohm ℧). |
Platform Compatibility
This symbol renders correctly on all listed platforms.
Frequently Asked Questions
How do I type the omega symbol?
On Windows, type 03A9 then Alt+X in Word for Ω. On Mac, press Option+Z. For lowercase ω, type 03C9 then Alt+X in Word. You can also copy Ω or ω directly from this page.
What is the difference between Ω (omega) and Ω (ohm)?
The Greek capital omega (Ω, U+03A9) and the ohm sign (Ω, U+2126) look identical but are different Unicode characters. The ohm sign exists for compatibility; Unicode recommends using the Greek capital omega U+03A9 for both purposes.
What does omega mean?
Omega (Ω/ω) is the 24th and last letter of the Greek alphabet. It symbolizes 'the end' or 'the ultimate' (as in 'Alpha and Omega'). In physics, Ω represents ohms (electrical resistance) and ω represents angular velocity.
What is the HTML code for the omega symbol?
Use Ω or Ω for capital Ω. Use ω or ω for lowercase ω. You can also use the hex codes Ω and ω respectively.