Gamma Symbol Γ γ — Copy, Paste and Type It

The gamma symbol is the 3rd letter of the Greek alphabet, written γ in lowercase and Γ in uppercase. It is pronounced /ˈɡæmə/ (“GAM-uh”). Click a symbol to copy it.

Copy the gamma symbol

Greek small letter gamma U+03B3 · The lowercase letter
Greek capital letter Gamma U+0393 · The uppercase letter
Latin small letter gamma U+0263 · IPA symbol for the voiced velar fricative. Not the Greek letter.
Double-struck capital gamma U+213E · Blackboard-bold Γ, occasionally used in mathematics.

Dashed boxes are look-alikes that are not the Greek letter — listed so you can tell them apart.

Gamma codes — Unicode, HTML, LaTeX and Alt codes

CharUnicodeHTML entityHTML decimalHTML hexCSSJavaScriptLaTeXWindowsMac
γ U+03B3 γ γ γ \03B3 \u03B3 \gamma 03B3 then Alt + X (Word) Greek keyboard G
Γ U+0393 Γ Γ Γ \0393 \u0393 \Gamma Alt + 226 Greek keyboard Shift + G
ɣ U+0263 — ɣ ɣ \0263 \u0263 — 0263 then Alt + X (Word) Character Viewer
ℾ U+213E — ℾ ℾ \213E \u213E — 213E then Alt + X (Word) Character Viewer

Need the characters without any explanation? Open the Greek letters copy-paste sheet.

How to type the gamma symbol

Windows

Mac

iPhone and Android

LaTeX

HTML, CSS and code

Full typing guide for every platform, including Linux and Google Docs → how to type Greek letters.

What does gamma mean?

Mathematics

  • Γ(n) — the gamma function, which extends the factorial: Γ(n) = (n − 1)!
  • γ ≈ 0.5772 — the Euler–Mascheroni constant
  • Γ — Christoffel symbols in differential geometry

Physics

  • γ — a gamma ray, and the symbol for a photon
  • γ — the Lorentz factor in special relativity
  • γ — surface tension, and the heat-capacity ratio Cp/Cv

Statistics

  • the gamma distribution, and Goodman–Kruskal’s γ

Imaging & electronics

  • gamma correction — the brightness curve of a display
  • Γ — the reflection coefficient in transmission lines

Finance

  • gamma — how fast an option’s delta changes

Gamma at a glance

Position
3rd of 24
Uppercase / lowercase
Γ γ
Greek name
γάμμα
Pronunciation
/ˈɡæmə/
Numeric value
3
Became
Latin C and G, and Cyrillic Г

Frequently asked questions

What is the gamma symbol?

Gamma (Γ γ) is the 3rd letter of the Greek alphabet, pronounced /ˈɡæmə/ (“GAM-uh”). It is most often used for gamma rays, the gamma function, the Lorentz factor.

How do I type the gamma symbol on a keyboard?

On Windows, press Win + . → Symbols → Greek, or in Microsoft Word type 03B3 and press Alt + X; the classic Alt code Alt + 226 types Γ. On a Mac, switch to the Greek keyboard and press G (Shift + G for the capital). Or simply copy it from the top of this page.

What is the LaTeX command for gamma?

Use \gamma for lowercase γ and \Gamma for capital Γ, inside math mode: $\gamma$.

What is the Unicode and HTML code for gamma?

Lowercase γ is U+03B3, written in HTML as γ or γ. Capital Γ is U+0393, written Γ or Γ.

← See all 24 Greek symbols