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Python math.tau Constant

❮ Math Methods

Example

Print the value of tau:

# Import math Library
import math

# Print the value of tau
print (math.tau)

Try it Yourself »

Definition and Usage

The math.tau constant returns the value of tau, which is 6.283185307179586.

It is defined as the ratio of the circumference to the radius of a circle. Tau is a circle constant and the value is equivalent to 2π.

Note: Mathematically tau is represented by τ.

Syntax

math.tau

Technical Details

Return Value:	A `float` value, 6.283185307179586, representing the mathematical constant tau
Python Version:	3.6

❮ Math Methods

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