Ω

Ohm Sign Symbol (Ω)

Copy and paste the ohm sign Ω with one click

Unicode Character

Ω

Unicode Hex

U+2126

HTML Entity

Ω

Decimal Code

8486

About the Ohm Sign Symbol

Last reviewed on October 31, 2026

Ω here is the ohm sign, the unit of electrical resistance, as in 470 Ω on a resistor. Unicode treats it as a separate code point from Greek capital omega, though they look the same. Most text should use the Greek letter instead.

Its official Unicode name is Ohm Sign. Browse the Mathematical Symbols page for related characters.

How to Type Ohm Sign on a Keyboard

Windows: Type 2126 then press Alt+X in Word; in other apps, copy Ω from this page and paste it. It has no classic Alt code

Mac: Press Ctrl+Cmd+Space to open the Character Viewer, then search for the symbol by name

Microsoft Word: Type 2126 then press Alt+X

Phone & tablet: Copying Ω from this page is fastest — see our mobile typing guide

Ohm Sign Code for HTML, CSS & JavaScript

HTML: Ω

CSS: content: '\2126';

JavaScript: '\u2126'

Unicode: U+2126

Frequently Asked Questions

How do I type ohm sign Ω on Windows?

Type 2126 then press Alt+X in Word; in other apps, copy Ω from this page and paste it. It has no classic Alt code. You can also copy Ω straight from this page.

How do I type Ω on a Mac?

Press Ctrl+Cmd+Space to open the Character Viewer, then search for the symbol by name.

What is the Unicode and HTML code for ohm sign?

It is Unicode code point U+2126, named Ohm Sign. In HTML, use Ω.