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 |
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.