Greek Alphabet (original) (raw)
Last Updated : 28 Oct, 2025
The Greek alphabet is a writing system that was developed in Greece about 1000 BCE. The Greek alphabet has 24 letters. Each letter represents both a consonant and a vowel sound.
- There are two types of Greek notations with uppercase and lowercase forms. The modern 24-letter Greek alphabets were created in 403 BC by Euclid.
- Greek alphabet letters are mostly used as math and science symbols.

The letters of the Greek alphabet are **alpha, beta, gamma, delta, epsilon, zeta, eta, theta, iota, kappa, lambda, mu, nu, xi, omicron, pi, rho, sigma, tau, upsilon, phi, chi, psi, and omega.
List of Greek Alphabet Names In Order
Letters in Greek Alphabet are given in the following table:
| **Ordered List of Greek Alphabet Names | ||
|---|---|---|
| Order of Greek Alphabet | Greek Alphabet Letters Names | Greek Letters Pronunciation |
| 1 | Alpha (Α α) | alpha, άλφα |
| 2 | Beta (Β β) | beta, βήτα |
| 3 | Gamma (Γ γ) | gamma, γάμμα |
| 4 | Delta (Δ δ) | delta, δέλτα |
| 5 | Epsilon (Ε ε) | epsilon, έψιλον |
| 6 | Zeta (Ζ ζ) | zeta, ζήτα |
| 7 | Eta (Η η) | eta, ήτα |
| 8 | Theta (Θ θ) | theta, θήτα |
| 9 | Iota (Ι ι) | iota, ιώτα |
| 10 | Kappa (Κ κ) | kappa, κάππα |
| 11 | Lambda (Λ λ) | la(m)bda, λά(μ)βδα |
| 12 | Mu (Μ μ) | mu, μυ |
| 13 | Nu (Ν ν) | nu, νυ |
| 14 | Xi (Ξ ξ) | xi, ξι |
| 15 | Omicron (Ο ο) | omicron, όμικρον |
| 16 | Pi (Π π) | pi, πι |
| 17 | Rho (Ρ ρ) | rho, ρώ |
| 18 | Sigma (Σ σ/ς) | sigma, σίγμα |
| 19 | Tau (Τ τ) | tau, ταυ |
| 20 | Upsilon (Υ υ) | upsilon, ύψιλον |
| 21 | Phi (Φ φ) | phi, φι |
| 22 | Chi (Χ χ) | chi, χι |
| 23 | Psi (Ψ ψ) | psi, ψι |
| 24 | Omega (Ω ω) | omega, ωμέγα |
Greek Alphabet Symbols: **Uppercase and Lowercase
There are two forms of symbols in the Greek Alphabet. They are :
- Uppercase Greek Alphabet
- Lowercase Greek Alphabets
Uppercase and lowercase forms of the total 24 Greek Alphabet are:
**Α α, Β β, Γ γ, Δ δ, Ε ε, Ζ ζ, Η η, Θ θ, Ι ι, Κ κ, Λ λ, Μ μ, Ν ν, Ξ ξ, Ο ο, Π π, Ρ ρ, Σ σ/ς, Τ τ, Υ υ, Φ φ, Χ χ, Ψ ψ, Ω ω.
**Greek Alphabet Uppercase Symbols
All uppercase Greek alphabet letters are:
**Α Β Γ Δ Ε Ζ Η Θ Ι Κ Λ Μ Ν Ξ Ο Π Ρ Σ Τ Υ Φ Χ Ψ Ω
**Greek Alphabet Lowercase Symbols
All lowercase Greek alphabet letters are:
**α β γ δ ε ζ η θ ι κ λ μ ν ξ ο π ρ σ/ς τ υ φ χ ψ ω
**Note: Greek letter Sigma (Σ σ/ς) also has two forms, lowercase sigma (σ) and lowercase final sigma (ς). Final sigma (ς) is used only at the end of words.
Greek Letters: Uppercase and Lowercase
The Lowercase and the Uppercase notations of the Greek Alphabet are listed in the table below:
| **Greek Symbols: Uppercase and Lowercase | ||
|---|---|---|
| Greek Letter | Upper Case | Lower Case |
| Alpha | Α | α |
| Beta | B | β |
| Gamma | Γ | γ |
| Delta | Δ | δ |
| Epsilon | E | ε |
| Zeta | Z | ζ |
| Eta | H | η |
| Theta | Θ | θ |
| Iota | I | ι |
| Kappa | K | κ |
| Lambda | Λ | λ |
| Mu | M | μ |
| Nu | N | ν |
| Xi | Ξ | ξ |
| Omicron | O | ο |
| Pi | Π | π |
| Rho | P | ρ |
| Sigma | Σ | σ/ς |
| Tau | T | τ |
| Upsilon | Y | υ |
| Phi | Ψ | φ |
| Chi | X | χ |
| Psi | Φ | ψ |
| Omega | Ω | ω |
Greek Alphabet from A to Z in English
Greek alphabet in order from a to z, and their English equivalents are :
| **Greek Alphabets and their English equivalents | |
|---|---|
| Greek Letter | English Equivalent |
| Alpha (Α α) | a |
| Beta (Β β) | b |
| Gamma (Γ γ) | g |
| Delta (Δ δ) | d |
| Epsilon (Ε ε) | e |
| Zeta (Ζ ζ) | z |
| Eta (Η η) | h |
| Theta (Θ θ) | th |
| Iota (Ι ι) | i |
| Kappa (Κ κ) | k |
| Lambda (Λ λ) | l |
| Mu (Μ μ) | m |
| Nu (Ν ν) | n |
| Xi (Ξ ξ) | x |
| Omicron (Ο ο) | o |
| Pi (Π π) | p |
| Rho (Ρ ρ) | r |
| Sigma (Σ σ/ς) | s |
| Tau (Τ τ) | t |
| Upsilon (Υ υ) | u |
| Phi (Φ φ) | phi |
| Chi (Χ χ) | khi/chi |
| Psi (Ψ ψ) | psi |
| Omega (Ω ω) | o |
Greek Alphabets Chart
The following chart offers a quick reference to the entire Greek alphabet, from Alpha (Α) to Omega (Ω), along with their English equivalents.
Greek Alphabets-Properties
The various properties of the Greek alphabet are:
- The Greek alphabet includes 24 letters: 7 vowels and 15 single and 2 double consonants.
- These Greek letters can be grouped into 3 categories: single and two-letter vowels / Single, double, and two-letter consonants / Combinations.
- Greek letters can be written from left to right.
- The Greek letter sigma has three different forms (Σ, σ, ς). The use of each form depends on its position in a word.
- Diacritical marks such as the accent mark (‘) are used to help the reader with Greek pronunciation.
Greek Alphabets-Usage
Various Applications of the letters in the Greek Alphabet are:
- Greek Alphabet is not only used in the Greek language but also used in many other languages.
- Greek Alphabet is used in representing Mathematical Notations.
- In the Greek Alphabet, each letter may have a numeric value.
- Greek Alphabet is widely used in Scientific contexts.
- Greek Alphabet is also used in mathematical contexts as a representation of symbols.
- Greek Alphabet is widely used in engineering.
**Also Check: Greek Letters in LaTeX
Practice Problems on Greek Letters
Answer the following MCQs (Here only one answer is correct)
1. What is the 16th letter of the Greek alphabet?
- Gamma
- Sigma
- Phi
- Pi
2. Which Greek letter is commonly used to represent the mathematical constant π?
- Delta
- Rho
- Omega
- Pi
3. What is the pronunciation of the Greek letter "Ξ" (xi)?
- Ksi
- Zeta
- Epsilon
- Chi
4. In the Greek alphabet, which letter is equivalent to the English letter "M"?
- Mu
- Lambda
- Nu
- Kappa
5. Which Greek letter is often associated with the symbol for "sum" in mathematics?
- Sigma
- Tau
- Theta
- Omicron
6. What is the 22nd letter of the Greek alphabet?
- Psi
- Delta
- Beta
- Gamma
7. Greek letter "Φ" (phi) is commonly used to represent which mathematical constant?
- Euler's number (e)
- Golden ratio (φ)
- Imaginary unit (i)
- Square root of 2 (√2)
8. What is the Greek letter equivalent to the English letter "R"?
- Rho
- Alpha
- Epsilon
- Iota
9. In the Greek alphabet, which letter is represented by an upward-pointing triangle?
- Delta
- Omega
- Gamma
- Theta
10. The letter "Λ" (lambda) is often used as a symbol in various fields. What does it represent in physics?
- Wavelength
- Velocity
- Acceleration
- Force