---
title: "turns::QUARTER_TURN"
subtitle: "Constant in std::turns"
excerpt: "A quarter turn, 90 degrees or π/2 radians."
layout: manual
---

A quarter turn, 90 degrees or π/2 radians.

```kcl
turns::QUARTER_TURN: number(deg) = 90deg
```



### Type

[`number(deg)`](/docs/kcl-std/types/std-types-number) - A number.