Greek Capital Letter Tau

Τ
Symbol Format Data
Τ Code Point
U+03A4
TeX
\Tau
SVG
All symbols

Usage

The capital Greek letter (capital tau) is visually very similar to the Latin capital letter T. For that reason, refer to the usage of Capital T for how the symbol appears in math.

Related

tau

The Greek letter τ (tau) is used in trigonometry as a constant to represent a full rotation around a circle in radians. The value of τ is approximately 6.28 and can be calculated by dividing any circle's circumference by its radius.