---
title: Math PI
---
## Math PI

``Math.PI`` is a static property of the Math object. It represents the mathematical constant defined as the ratio of a circle's circumference to its diameter. It is approximately 3.14149, and is often represented by the Greek letter π. 


![pi made of pi](https://c1.staticflickr.com/2/1207/3352784321_0d648bec78.jpg)

## Examples

```js
Math.PI \\ 3.141592653589793
```

#### More Information:
<a href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/PI' target='_blank' rel='nofollow'>MDN</a>