Ω

For technical reasons, the OHM SIGN (Ω - U+2126) also redirects here.
Unicode name	GREEK CAPITAL LETTER OMEGA
Codepoint	U+03A9
Ψ ← Greek and Coptic

 

Unicode name	OHM SIGN
Codepoint	U+2126
℥ ← Letterlike Symbols → ℧

See also ჲ, and Appendix:Variations of "o"

Translingual

Symbol

Ω (U+03A9) or Ω (U+2126)

1. The symbol for ohm, the unit of electrical resistance in the International System of Units.

Derived terms

Symbol for ohm

YΩ ZΩ XΩ PΩ TΩ GΩ MΩ

kΩ hΩ daΩ dΩ cΩ mΩ µΩ

nΩ pΩ fΩ aΩ zΩ yΩ

• Ω/□

Usage notes

The Unicode Standard states that the U+2126 Ω ohm sign is included in Unicode only for backward compatibility reasons. To represent ohms, the U+03A9 Ω greek capital letter omega is preferred.

See also

• Ω on Wikipedia.Wikipedia

---

Greek

Ω (uppercase, lowercase ω)

Letter

Ω

1. The upper case letter omega (ωμέγα), the 24th and last letter of the modern Greek alphabet.
2. The upper case letter omega (Ω) is used as the mathematical notation or symbol for the last place in a set or group of items.

Numeral

Ω

1. The number 800 in Greek numerals.
2. The number 800,000 in Greek numerals.

See also

• Greek script: Αα Ββ Γγ Δδ Εε Ζζ Ηη Θθ Ιι Κκ Λλ Μμ Νν Ξξ Οο Ππϖ Ρρ Σσς Ττ Υυ Φφ Χχ Ψψ Ωω