Omega symbol Ω ω (definition, in Word, excel, alt code, Mac)

Omega symbol its Definition and Meaning

The origins of the symbol – The first use of the Omega sign dates from the end of the 7th century BC in the religions of Asia Minor. The Omega symbol was introduced into the Greek alphabet in the 8th century BC. Over time, it became popular around the world and is currently used in various fields and contexts. In the Greek Alphabet, Omega (Ω ω) is the twenty-fourth and last letter of the Greek alphabet. When you want to write Omega in capital letters, use the symbol Ω. When you want to write Omega in lowercase the symbol ω is used. It is part of the Modern Greek alphabet, commonly used in Greece. As it is the last letter of the alphabet, omega was used to denote the end of something, as the opposite of alpha, which symbolized the beginning. The Greeks use the lowercase Omega symbol ω.

Omega symbol on Windows

If your keyboard has a numeric keypad, then you can type the delta symbol using an Alt code – this consists of you click few numbers while holding the Alt key. The numeric keypad is to the right of your keyboard – most keyboards in the desk have a numeric keypad. If you are using a laptop, you will only see the numbers on the top row of the keyboard and not on the right. To type the omega symbol on the keyboard, type 234 or 937 for upper case, 969 for lower case while holding down Alt.

omega symbol

For upper case omega

Ω=Alt+937 or Alt+234

For lower case omega

ω =Alt+969

  • Press and hold FN + Num lock to activate Number Lock. Hold down the Alt key and type 937 or 234 for upper case And 969 for lower case.

Omega Symbol on Mac

Ω =Option + Z

Apple Mac Os or Mac book owners can use the Option + Z keyboard shortcuts.

Omega symbol Latex

To include the delta symbol in Latex you need to use the following syntax:

– \ omega for the lower casing omega;

– \ Omega for upper casing omega;

3 Ways to insert omega sign In Microsoft Word

03C9 Alt + X = ω    OR    03A9 Alt + X = Ω

  1. Type the code “03C9 or 03A9” instead of the character. Select it and in the top menu on the “Home” tab set the font “Symbol”. The letter will automatically turn into a symbol for delta.
  2. Anywhere in the document, enter “03A9 or 03C9 ” and press the Alt and X hotkeys. The numbers are converted to a character. The keyboard layout must be English. 03A9 Alt + X = Ω or 03C9 Alt + X = ω
  3. On a full keyboard with a right numeric keypad, you can use the following method. Hold Alt and type 937 or 234. It is necessary to enter numbers on the right digital block.

Insert omega symbol in Microsoft Excel

Copy and Paste the omega Symbol a very quick and clean way to get the omega symbol in Excel is to copy it from somewhere else. It can be an omega symbol that you have already inserted into the worksheet, or you can copy it from a web page. or while pressing the key alt press the omega sign from 234.

Below are the steps to insert the Omega symbol (ohm symbol) in Excel using a keyboard shortcut?

  • Select the cell where you want to insert the Omega symbol.
  • Press F2 to enter edit mode.
  • Use the keyboard shortcut – ALT + 234 (you need to hold down the ALT key and then press 234 from your keyboard’s numeric keypad).
  • Note: This keyboard shortcut works only if you have a 10-key number pad on your keyboard. If you don’t have a numeric keypad, you must first enable number lock and then use this keyboard shortcut.



Encodings decimal hex decimal hex
Unicode 937 U+03A9 969 U+03C9
UTF-8 206 169 CE A 207 137 CF 89
Windows 1253 217 D9 249 F9
Numeric character reference Ω, Ω ω
Latex \Omega \omega
Alt Key Alt+234 Alt+969
DOS Greek 151 97 224 E0
DOS Greek 2 213 D5 250 FA
The Omega Symbol ω is used in Various Fields

The reality is that the Omega symbol and what it represents might surprise you as it is used in many different fields from religion to astrology, physics, chemistry, linguistics, computing, mathematics and a long.

In Physics, to identify the angular speed of rotation, which is the angle rotated by a unit of time. For ohm: SI unit used to measure electrical resistance. It is also used backwards ( ℧ ) to symbolize the inverse of the ohm ( mho / Siemens ) used for electrical conductance .Also used in Thermodynamics.

In Mathematics, to identify the smallest transfinite ordinal number in set theory. Indicate that each turn around the spiral represents an integer power of ω. it represents the space of the differential forms. For example, “A differential k-form ω is called closed if its outer differential is zero, that is, dω = 0”.

In telecommunications, it is related to the spectrum of the continuous signal.

In electricity, it is used to designate the pulsation of a signal.

In biochemistry it is used to identify the number of carbons from the end of the aliphatic chain of a fatty acid.

In Database Theory, it is used to identify the null or unknown value.

The symbol Ω is used

In Statistics, it represents the space of the sample, which is the set of elements that are used for their study in an investigation.

In Computer Science, it is used to identify the group of complexity functions that are at the bottom of another given function. In computer science, the notation is related to capital O and Chaitin’s constant.

Omega Point refers to computational theory about the end of the universe.

In religion

The Omega was also one of the symbols of Christianity. The use of the Omega sign in the context of Christian belief can be seen in the Book of Revelation. There, it is part of the “Alpha and Omega” representing an appellation of Jesus.

In the Holy Catholic Bible the symbol of Omega combined with that of Alpha is expressly mentioned to determine the name of God. In the Apocalypse Book of Saint John, 21: 6 and 22:13, it is expressly mentioned, “I am the Alpha and the Omega, I am the beginning and the end.”

This expression has a deep meaning indicating that God existed before everything, and that he will exist forever after all. In the zodiac it represents the sign of Libra .

In the saga of “Sonic “, the letter Ω is the symbol of a robot (Omega-123)

In science

The Omega symbol in lowercase or uppercase has been associated to identify scientific concepts. It is used in chemistry to represent the stable natural oxygen isotope called oxygen-18 .In physics, the symbol represents the ohm , a unit used to measure electrical resistance. In astronomy it is used to refer to the density of the universe. In statistics, the Omega sign is used to refer to the number of multiplicity in a system.

In astrology

Astrology is an interesting and mysterious field. When the Omega symbol is released in relation to astrology, surely some interesting explanations are discovered like the ones we are going to see below. The Omega sign is used in astrology to explain how eclipses occur.

The symbol is used to represent the lunar nodes which are the orbital points where the moon crosses the ecliptic. The ascending and descending nodes represent the crossing of the moon from south to north and from north to south.

Thus, the Omega symbol was used to predict eclipses in an easy way, since they only occur near the lunar nodes. It is closely linked to the zodiac sign of Pisces, although Pisces is the 12th sign of the zodiac, while Omega is the 24th letter of the Greek alphabet, there is this relationship.

What Pisces and Omega have in common is that they are both in the last position and represent a time of destruction, change and rebirth. As in the religious context, the Omega symbol here is associated with apocalyptic destruction.

In Marketing and Entertainment

In 1894 the Brandt brothers created a new standard in watch making, the 19-line caliber, which they called Omega, “the definitive one”. From that moment they assumed the name Omega Watches for the company.

Video games and movies

Used intensively in the world of video games, as a symbol related to characters. For example, in Pokémon – Omega Ruby Symbol. In  movie characters, In X-Men, a character calling himself Omega Red, wears the symbol Ω on his forehead. Omega is one of the anti-heroes in the Japanese video game sequence, Mega Man Zero, from the Nintendo console, Game Boy Advanced in 2002. In the Final Fantasy video game series there is a monster named Omega Rugal. In the Earth Bound video game, the capital letter Ω (along with other letters of the Greek alphabet) is used to classify the level of each PSI.

In the video game Mega man Zero 3 the end and God of Destruction is significant for the final enemy “Omega Zero” Ω

  • Pioneer used in its previous logo this sign with a tuning fork in the middle of the letter.
  • In Kingdom Hearts 1, there is an ability called “Final Omega “.
  • In War hammer 40,000 it is the symbol of the ultramarines chapter.
  • The Ω symbol is widely used in college fraternities in the US .

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