Greek Symbol
Greek letter

Lambda Symbol (λ) — Copy & Paste

Grab the lambda greek symbol in one click. Pronunciation: LAM-duh.

ΛUpper
λLower
Reference

Technical reference

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

Uppercase Lambda

Character
Λ
Unicode
U+039B
HTML named
Λ
HTML decimal
Λ
LaTeX
\Lambda

Lowercase Lambda

Character
λ
Unicode
U+03BB
HTML named
λ
HTML decimal
λ
LaTeX
\lambda
Context

Common uses in science & math

Wavelength & eigenvalues

Physics uses λ for wavelength; linear algebra uses λ for eigenvalues. Both are extremely common.

Lambda calculus & AWS

Computer science references Church’s λ-calculus; “Lambda” also names serverless functions metaphorically.

Input

How to type Lambda

Windows

Grab λ here; Win+. also finds “lambda”.

macOS

Grab λ or use Character Viewer.

Word & Google Docs

Ideal for lab reports noting λ = wavelength.

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

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Lambda FAQ

How do I put lambda into code comments?

Grab λ from this page—it is a single Unicode character and works in most editors and GitHub.