# Pi (π)

Menu Path : **Operator > Math > Constants > Pi (π)**

The **Pi (π)** Operator returns the number Pi (π). This is the ratio of the circumference of a circle to its diameter.

## Operator properties

| **Output** | **Type** | **Description**                                              |
| ---------- | -------- | ------------------------------------------------------------ |
| **π**      | float    | The value of Pi. This is the same value as [Mathf.PI](https://docs.unity3d.com/ScriptReference/Mathf.PI.html). |
| **2π**     | float    | The result of 2 * Pi.                                        |
| **π/2**    | float    | The result of Pi / 2.                                        |
| **π/3**    | float    | The result of Pi / 3.                                        |