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Greek Alphabet

All 24 letters, capital and small, plus accented and math forms. Tap a letter to copy it; the table has each letter's name and codes.

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Capital letters

Small letters

With ς, the form of sigma used at the end of a word.

Variant forms

Alternative shapes used mostly in math and science, plus digamma.

Letters with accents

The tonos and dialytika of modern Greek.

Bold Greek

From Unicode's mathematical alphabets: bold capitals and small letters.

Italic Greek

Mathematical italic capitals and small letters.

The Greek alphabet: names and codes

Letter names as in Wikipedia's article on the Greek alphabet; LaTeX commands from MathJax's tables; codes from the Unicode Character Database and code page 437.

LetterNameCode pointsHTMLLaTeX (capital · small)Alt code
Α αalphaU+0391 U+03B1Α αA (Latin letter) · \alphaα Alt+224
Β βbetaU+0392 U+03B2Β βB (Latin letter) · \betanone
Γ γgammaU+0393 U+03B3Γ γ\Gamma · \gammaΓ Alt+226
Δ δdeltaU+0394 U+03B4Δ δ\Delta · \deltaδ Alt+235
Ε εepsilonU+0395 U+03B5Ε εE (Latin letter) · \varepsilonε Alt+238
Ζ ζzetaU+0396 U+03B6Ζ ζZ (Latin letter) · \zetanone
Η ηetaU+0397 U+03B7Η ηH (Latin letter) · \etanone
Θ θthetaU+0398 U+03B8Θ θ\Theta · \thetaΘ Alt+233
Ι ιiotaU+0399 U+03B9Ι ιI (Latin letter) · \iotanone
Κ κkappaU+039A U+03BAΚ κK (Latin letter) · \kappanone
Λ λlambdaU+039B U+03BBΛ λ\Lambda · \lambdanone
Μ μmuU+039C U+03BCΜ μM (Latin letter) · \munone
Ν νnuU+039D U+03BDΝ νN (Latin letter) · \nunone
Ξ ξxiU+039E U+03BEΞ ξ\Xi · \xinone
Ο οomicronU+039F U+03BFΟ οO (Latin letter) · o (Latin letter)none
Π πpiU+03A0 U+03C0Π π\Pi · \piπ Alt+227
Ρ ρrhoU+03A1 U+03C1Ρ ρP (Latin letter) · \rhonone
Σ σ ςsigmaU+03A3 U+03C3 U+03C2Σ σ ς\Sigma · \sigma \varsigmaΣ Alt+228, σ Alt+229
Τ τtauU+03A4 U+03C4Τ τT (Latin letter) · \tauτ Alt+231
Υ υupsilonU+03A5 U+03C5Υ υ\Upsilon · \upsilonnone
Φ φphiU+03A6 U+03C6Φ φ\Phi · \varphiΦ Alt+232, φ Alt+237
Χ χchiU+03A7 U+03C7Χ χX (Latin letter) · \chinone
Ψ ψpsiU+03A8 U+03C8Ψ ψ\Psi · \psinone
Ω ωomegaU+03A9 U+03C9Ω ω\Omega · \omegaΩ Alt+234

Lookalikes of Greek letters

Relations from each character's Unicode decomposition.

CharacterNameCode pointGreek letterHow they relate
∑N-ARY SUMMATIONU+2211ΣA different character from Σ
∏N-ARY PRODUCTU+220FΠA different character from Π
∆INCREMENTU+2206ΔA different character from Δ
ΩOHM SIGNU+2126ΩUnicode treats it as the same character as Ω (canonical equivalent)
µMICRO SIGNU+00B5μA compatibility character that normalizes to μ
ϵGREEK LUNATE EPSILON SYMBOLU+03F5εA compatibility character that normalizes to ε
ϕGREEK PHI SYMBOLU+03D5φA compatibility character that normalizes to φ

Final sigma

Sigma is the only letter with two small forms: ς at the end of a word and σ everywhere else, as in λόγος. Both are in the table.

Greek letters in math and science

Many are used as symbols: π for the ratio of a circle's circumference to its diameter (see the pi symbol), μ for the SI prefix micro and Ω for the ohm. Some of these uses have their own Unicode characters that look like Greek letters; the lookalikes table shows how they relate.

Accents of modern Greek

Modern Greek marks stress with the tonos (ά) and separates vowels with the dialytika (ϊ); both are in the accented group above, each as a single character.

Typing Greek letters

On Windows, a few have Alt codes from code page 437 (shown in the table). Otherwise add a Greek keyboard in your system's language settings, or copy the letters from this page.

Frequently asked questions

How many letters are in the Greek alphabet?

24, from alpha (Α α) to omega (Ω ω). Sigma has two small forms, σ and the final ς.

How do I type Greek letters in LaTeX?

In math mode, with the letter's name: \alpha, \beta, \Gamma. Capitals that look like Latin letters (A, B, E…) have no command: you type the Latin letter. Note that \epsilon gives ϵ and \varepsilon gives ε, and likewise \phi gives ϕ and \varphi φ.

Is μ the same as µ?

No. µ (MICRO SIGN, U+00B5) is a separate character kept for compatibility; Unicode normalizes it to μ (GREEK SMALL LETTER MU, U+03BC).

What's the difference between Σ and ∑?

Σ is the Greek capital letter sigma; ∑ is N-ARY SUMMATION, the math operator for sums. They look alike but are different characters.

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