U+03A9
| OS | Layout | Shortcut |
|---|---|---|
| Windows(you) | Us | AltGr + Shift + O |
| Windows | Uk | AltGr + Shift + O |
| Windows | German | AltGr + Z |
| macOS | Us | — |
| macOS | Uk | Option + Z |
| macOS | German | Option + Z |
| Application | How to insert Greek Capital Letter Omega |
|---|---|
| Microsoft Word | Type 03A9, then press Alt+X |
| Excel / Google Sheets | Use the formula =UNICHAR(937) |
| Google Docs | Insert → Special characters, then search "greek capital letter omega" |
| HTML | Ω or Ω |
| CSS (content property) | content: "\03A9" |
| JavaScript | "\u03A9" |
Omega is the last letter of the Greek alphabet. In electrical engineering, it represents the unit of resistance (ohm).
Used as the symbol for ohms in electrical engineering (100 Ω), in physics, and in mathematics for angular velocity and sample spaces.