Pi Symbol (π)

Copy the Pi symbol π to your clipboard, and see its Unicode code point, HTML entity, LaTeX command and how to type it on any device.

What does π mean?

The pi symbol represents the ratio of a circle’s circumference to its diameter, an irrational constant approximately equal to 3.14159. It appears throughout geometry and trigonometry (the area of a circle is πr²), in the period of trigonometric functions, and in probability — the normal distribution’s density function contains √(2π). In physics it turns up anywhere circles, waves or oscillations appear. π is the lowercase form of Pi, letter 16 of 24 in the Greek alphabet (pronounced PIE). Its capital counterpart is Π. In science and maths it is used for: Circle constant π (3.14159…), product operator (Π).

Codes and properties

Character	π
Unicode name	GREEK SMALL LETTER PI
Code point	U+03C0
Decimal	960
Unicode block	Greek and Coptic
HTML entity	π · π · π
CSS	\03C0
JavaScript / JSON	\u03C0
Python	\u03C0 or \N{GREEK SMALL LETTER PI}
UTF-8 bytes	CF 80
LaTeX	\pi

How to type π

Copy & paste: press the Copy button above, then paste π anywhere — Word, Google Docs, email, chat or code.
Windows (Word, WordPad, Outlook): type 03C0 then press Alt+X. In any app, Win+. opens the symbol panel.
Windows Alt code: hold Alt and type 227 on the numeric keypad (Num Lock on), then release Alt. Works in Word, Notepad and most desktop apps.
Mac shortcut: press Option+P (US keyboard layout).
Mac (any symbol): switch to the Unicode Hex Input keyboard, hold Option and type 03C0; or press Ctrl+Cmd+Space and search “greek small letter pi”.
Linux (GTK/IBus): press Ctrl+Shift+U, type 03c0, then Space.
HTML: π renders as π.
LaTeX: \pi in math mode (amssymb package for some symbols).

Frequently asked questions

Is π the same as the product symbol ∏?

No. Lowercase π is the circle constant (3.14159…). The capital Π is the n‑ary product operator used for multiplying a sequence of terms.

How do I type π quickly?

Click it on the keyboard above to copy it, or use the Unicode U+03C0, the LaTeX command \pi, or the HTML entity shown above.

How do I type π on Windows?

In Microsoft Word type 03C0 and press Alt+X. In any app press Win+. to open the symbol panel, or copy π from this page. You can also hold Alt and type 227 on the numeric keypad.

How do I type π on a Mac?

Press Option + P on a US keyboard layout, or open the Character Viewer with Ctrl+Cmd+Space and search for it.

What is the HTML code for π?

Use π or π (hex) or π (decimal).

What is the LaTeX command for π?

Use \pi in math mode.

Keep exploring

Reference: Unicode code chart: Greek and Coptic (U+0370–U+03FF)