Copy and paste the zeta symbol ζ — click the button or any variant below
Zeta Symbol Copy and Paste
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ζZetaCopied!
ΖCapital ZetaCopied!
ϛStigma (archaic)Copied!
Unicode Character
ζ
Unicode Hex
U+03B6
HTML Entity
ζ
Decimal Code
950
Capital Letter
Ζ U+0396
About the Zeta Symbol
Last reviewed on October 1, 2026
Zeta is the sixth letter of the Greek alphabet and stands for the numeral 7 in the Greek number system.
Where ζ is used
The Riemann zeta function ζ(s), central to number theory and the Riemann hypothesis.
The damping ratio ζ in control engineering and vibration analysis.
Zeta potential in colloid chemistry.
Related characters
Browse the full Greek Letters list, or pick a sibling character from the grid below.
How to Type the Zeta Symbol
Windows: Type 03B6 then press Alt+X in Word for lowercase ζ, or 0396 then Alt+X for capital Ζ. There is no classic Alt code for zeta
Mac: Switch to the Greek keyboard layout (System Settings → Keyboard → Input Sources), or press Ctrl+Cmd+Space and search for “zeta”
Microsoft Word: Type 03B6 then press Alt+X to convert it into ζ
LaTeX:\zeta in math mode
HTML: Use the entity ζ or the numeric code ζ
Phone & tablet: Copying ζ from this page is fastest — see our mobile typing guide for keyboard tricks
Zeta Symbol Code for HTML, CSS & JavaScript
HTML: ζ
CSS: content: '\03B6';
JavaScript: '\u03B6'
Unicode: U+03B6
Frequently Asked Questions
How do I type the zeta symbol ζ on Windows?
Type 03B6 then press Alt+X in Word for lowercase ζ, or 0396 then Alt+X for capital Ζ. There is no classic Alt code for zeta. You can also copy ζ straight from this page — it pastes into any app.
How do I type ζ on a Mac?
Switch to the Greek keyboard layout (System Settings → Keyboard → Input Sources), or press Ctrl+Cmd+Space and search for “zeta”.
What is the Unicode and HTML code for the zeta symbol?
The zeta symbol is Unicode code point U+03B6. In HTML, use ζ or the numeric reference ζ.