Greek Symbol
Greek letter

Upsilon Symbol (υ) — Copy & Paste

Grab the upsilon greek symbol in one click. Pronunciation: OOP-si-lon.

ΥUpper
υLower
Reference

Technical reference

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

Uppercase Upsilon

Character
Υ
Unicode
U+03A5
HTML named
Υ
HTML decimal
Υ
LaTeX
\Upsilon

Lowercase Upsilon

Character
υ
Unicode
U+03C5
HTML named
υ
HTML decimal
υ
LaTeX
\upsilon
Context

Common uses in science & math

Upsilon particles

Particle physics names Υ mesons (bottomonium states) with upsilon.

Frequency & secondary variables

Occasionally used as a secondary frequency or velocity-like variable when u/v are taken.

Input

How to type Upsilon

Windows

Grab Υ/υ from this page for physics notation.

macOS

Use this page or search “upsilon”.

Word & Google Docs

Paste into papers discussing Υ resonances.

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

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Upsilon FAQ

Does upsilon look like Latin Y?

Uppercase Υ resembles Y. Use the Greek code point when academic accuracy matters.