Delta symbol

Tap to copy Δ, or learn how to type it on Windows, Mac and phones.

Tap to copyGreek capital letter delta
U+0394

Delta symbol and related symbols

Tap any symbol to copy it.

SymbolNameCodeHTMLWindowsMacLaTeX
Greek capital letter deltaU+0394Δ\Delta
Greek small letter deltaU+03B4δAlt + 235\delta
IncrementU+2206∆Option + J
NablaU+2207∇\nabla

What Δ means

Capital Δ means change, as in Δt for a change in time. Lowercase δ is used for small changes and in calculus. ∆ is the separate increment sign.

Common uses: physics, chemistry, finance and engineering.

Unicode name
Greek Capital Letter Delta
Code point
U+0394
Windows
Alt + X in Word
Mac
Character Viewer

Keyboard shortcuts for Δ

Copy and paste

Use the box at the top of the page for Δ, or the table for its relatives.

Windows

In Word, type 0394 and press Alt + X. Anywhere else, press Windows key + . (period) and search the symbols tab.

Mac

No shortcut? Control + Command + Space opens the Character Viewer; search for greek capital letter delta.

iPhone and Android

Phone keyboards rarely show Δ. 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 Δ or Δ.

LaTeX

Use \Delta in math mode.

Questions people ask

How do I type Δ on a keyboard?

On Windows, press Windows key + . and search the symbols tab. On a Mac, open the Character Viewer with Control + Command + Space.

What is the Unicode code point for Δ?

U+0394, named GREEK CAPITAL LETTER DELTA in the Unicode standard.

What does Δ mean?

Capital Δ means change, as in Δt for a change in time. Lowercase δ is used for small changes and in calculus. ∆ is the separate increment sign.

Where is Δ used?

Physics, chemistry, finance and engineering.

More symbols

Updated November 13, 2026