# Capital Tau Symbol (Τ)

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

Symbol Format Data
Τ Unicode
932
TeX
\Tau
SVG

## Related Symbols

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.