Greek letter

Chi Symbol (χ) — Copy & Paste

Grab the chi greek symbol in one click. Pronunciation: ky / khee.

ΧUpper

χLower

Reference

Technical reference

Unicode, HTML entities, and LaTeX — tap the icon beside any value.

Character

Unicode

U+03A7

HTML named

Χ

HTML decimal

Χ

LaTeX

X

Character

Unicode

U+03C7

HTML named

χ

HTML decimal

χ

LaTeX

\chi

Context

Common uses in science & math

Chi-squared tests

Statistics’ χ² tests are the most common classroom use of chi.

Susceptibility & chromatic number

Physics uses χ for susceptibility; graph theory uses χ for chromatic number.

Input

How to type Chi

Windows

Grab χ here for stats homework.

macOS

Grab χ or use Character Viewer → “chi”.

Word & Google Docs

Paste χ into Sheets/Docs for χ² results write-ups.

Prefer a full walkthrough? Read how to type Greek letters.

Explore

Chi FAQ

How do I write chi-squared?

Grab χ then type ² (or superscript 2). Or paste χ² if your source provides it.