Kappa Symbol Κ κ — Copy, Paste and Type It

Q: How do I type the kappa symbol on a keyboard?

On Windows, press Win + . → Symbols → Greek, or in Microsoft Word type 03BA and press Alt + X. On a Mac, switch to the Greek keyboard and press K (Shift + K for the capital). Or simply copy it from the top of this page.

Q: What is the LaTeX command for kappa?

Use \kappa for lowercase κ, inside math mode. There is no \Kappa command for the capital: it looks identical to the Latin K, so you type K.

Q: What is the Unicode and HTML code for kappa?

Lowercase κ is U+03BA, written in HTML as κ or κ. Capital Κ is U+039A, written Κ or Κ.

The kappa symbol is the 10th letter of the Greek alphabet, written κ in lowercase and Κ in uppercase. It is pronounced /ˈkæpə/ (“KAP-uh”). Click a symbol to copy it.

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Copy the kappa symbol

Greek small letter kappa U+03BA · The lowercase letter

Greek capital letter Kappa U+039A · The uppercase letter

Greek kappa symbol U+03F0 · The cursive ϰ variant, a separate variable in some texts.

Kappa codes — Unicode, HTML, LaTeX and Alt codes

Char	Unicode	HTML entity	HTML decimal	HTML hex	CSS	JavaScript	LaTeX	Windows	Mac
κ	`U+03BA`	`κ`	`κ`	`κ`	`\03BA`	`\u03BA`	`\kappa`	`03BA` then `Alt + X` (Word)	Greek keyboard `K`
Κ	`U+039A`	`Κ`	`Κ`	`Κ`	`\039A`	`\u039A`	`K (no \Kappa command)`	`039A` then `Alt + X` (Word)	Greek keyboard `Shift + K`
ϰ	`U+03F0`	`ϰ`	`ϰ`	`ϰ`	`\03F0`	`\u03F0`	`\varkappa`	`03F0` then `Alt + X` (Word)	Character Viewer

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

How to type the kappa symbol

Windows

Fastest: press Win + . to open the emoji panel, choose the Symbols tab (Ω), then Greek.
There is no classic Alt code for kappa — the old DOS code page only included a handful of Greek letters (α Γ π Σ σ τ Φ Θ Ω δ φ ε). Use one of the other methods.
Microsoft Word: type 03BA and press Alt + X for κ; 039A then Alt + X for Κ. Word converts it in place.

Mac

Add the Greek keyboard in System Settings → Keyboard → Input Sources, then K types κ and Shift + K types Κ.
Or open the Character Viewer with Ctrl + Cmd + Space and search “kappa”.

iPhone and Android

iOS: Settings → General → Keyboard → Keyboards → Add New Keyboard → Greek. Tap the globe key to switch.
Android (Gboard): Settings → Languages → Add keyboard → Greek.
Or copy the character from the top of this page.

LaTeX

\kappa — lowercase κ in math mode
K or \mathrm{K} — capital Κ (there is no \Kappa)
\varkappa — ϰ (greek kappa symbol)

HTML, CSS and code

HTML: κ or κ or κ
CSS: content: "\03BA";
JavaScript / JSON: "\u03BA" — Python: "\u03ba"
In source code, prefer the escape over the pasted glyph — it survives every file encoding.

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

What does kappa mean?

Statistics

Cohen’s κ — agreement between two raters beyond chance

Mathematics & physics

κ — curvature of a curve
κ — thermal conductivity, compressibility, and the dielectric constant

Biology

κ light chain of antibodies; κ-opioid receptor

Kappa at a glance

Position: 10th of 24
Uppercase / lowercase: Κ κ
Greek name: κάππα
Pronunciation: /ˈkæpə/
Numeric value: 20
Became: Latin K and Cyrillic К

Frequently asked questions

What is the kappa symbol?

Kappa (Κ κ) is the 10th letter of the Greek alphabet, pronounced /ˈkæpə/ (“KAP-uh”). It is most often used for Cohen’s kappa, curvature, thermal conductivity.

How do I type the kappa symbol on a keyboard?

On Windows, press Win + . → Symbols → Greek, or in Microsoft Word type 03BA and press Alt + X. On a Mac, switch to the Greek keyboard and press K (Shift + K for the capital). Or simply copy it from the top of this page.

What is the LaTeX command for kappa?

Use \kappa for lowercase κ, inside math mode. There is no \Kappa command for the capital: it looks identical to the Latin K, so you type K.

What is the Unicode and HTML code for kappa?

Lowercase κ is U+03BA, written in HTML as κ or κ. Capital Κ is U+039A, written Κ or Κ.

← See all 24 Greek symbols