Tau symbol
Type :tau: · Greek
Unicode name Greek Small Letter Tau · Greek and Coptic block · added in Unicode 1.1, 1993
What τ is for
A time constant in engineering, torque in mechanics, and the circle constant equal to two pi for the people who think pi was the wrong choice.
How to type τ
The shortcuts below are the built-in routes. With
Emoji Anywhere
installed you can skip all of them and type
:tau: in any text field instead, which
is the same on every platform.
macOS
No direct shortcut. Use Edit → Emoji & Symbols, or switch to the Unicode Hex
Input source and type 03C4 with Option
held.
Windows
No Alt code. In Word, type 03C4 then press Alt +
X. Elsewhere use the emoji panel with Win + Period, or Character Map.
Shortcodes
:tau: On the web
HTML τ
Unicode U+03C4
JavaScript '\u{03C4}'
CSS "\03C4"
Python '\u03C4'
URL %CF%84
More from greek
:epsilon: θ :theta: λ :lambda: μ :mu_micro: π :pi: σ :sigma: φ :phi: ψ :psi: ω :omega: Δ :capital_delta: Σ :capital_sigma: Ω :capital_omega_ohm: Every symbol and kaomoji is in the full gallery .
Tired of copying τ from pages like this one?
That is exactly what the extension removes. Here is the whole interaction, in every text field you already use:
You type
You get
Your keyboard already knows what you mean
Free, 290 KB, no account. Two letters from now you will never open an emoji panel again.
