Epsilon symbol

Copy ε with one tap or type it with Alt + 238.

Tap to copyGreek small letter epsilon
U+03B5

Epsilon symbol and related symbols

5 symbols, each with its codes and shortcuts.

SymbolNameCodeHTMLWindowsMacLaTeX
Greek small letter epsilonU+03B5εAlt + 238\varepsilon
Greek lunate epsilon symbolU+03F5ϵ\epsilon
Greek capital letter epsilonU+0395Ε
Element ofU+2208∈\in
Euro signU+20AC€Alt + 0128Option + Shift + 2\euro

What ε means

Epsilon ε is used for a very small quantity in math and for permittivity in physics. The "element of" sign ∈ evolved from it.

Common uses: calculus, set theory and physics.

Unicode name
Greek Small Letter Epsilon
Code point
U+03B5
Windows
Alt + 238
Mac
Character Viewer

How to type ε

Copy and paste

Click the big ε at the top. It copies instantly.

Windows

Hold Alt and type 238 on the number pad, then let go of Alt. In Word, type 03B5 and press Alt + X. Outside Word, open the emoji and symbols panel with Windows key + period.

Mac

Or press Control + Command + Space to open the Character Viewer and search for it.

iPhone and Android

Phone keyboards rarely show ε. Copy it once, then save it as a text shortcut (Settings, General, Keyboard on iPhone; Dictionary or Text shortcuts on most Android keyboards).

HTML

Use ε or ε.

LaTeX

Use \varepsilon in math mode.

Questions people ask

How do I type ε on a keyboard?

On Windows, hold Alt and type 238 on the number pad. On a Mac, open the Character Viewer with Control + Command + Space.

What is the Unicode code point for ε?

U+03B5, named GREEK SMALL LETTER EPSILON in the Unicode standard.

What does ε mean?

Epsilon ε is used for a very small quantity in math and for permittivity in physics. The "element of" sign ∈ evolved from it.

Where is ε used?

Calculus, set theory and physics.

More symbols

Updated November 13, 2026