ω
Omega in Mathematics
In Mathematics, the Omega symbol (ω) is commonly used. Learn how to copy and use it in your technical documents.
Unicode
U+03C9
HTML Entity
ω
LaTeX Sequence
\omega
Primary Field
MathematicsMathematics Application
Lowercase omega denotes angular frequency and angular velocity (ω = 2πf) in physics and engineering. Its capital Ω is the ohm, the unit of electrical resistance, and also marks solid angle and the sample space in probability.
How to type Omega (lowercase) (ω)
- Fastest: click ω on the keyboard above — it copies to your clipboard, ready to paste into Word, Google Docs, email or a forum.
- Unicode: the code point is shown in the panel above; on Windows you can also use Alt‑X after the hex code in Word.
- LaTeX: use the command shown above inside math mode.
- Anywhere: because it’s standard Unicode, it keeps its exact form across apps and devices.
Frequently asked questions
What is angular frequency ω?
How fast something oscillates or rotates in radians per second; ω = 2πf, where f is frequency in hertz.
Is Ω the ohm?
Yes — capital omega Ω is the SI unit of electrical resistance.
Write mathematical and scientific expressions
Need to pair this symbol with other operators?