# radius

> The radius of the character's capsule.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine](/engine/6000.5/script-reference/unityengine.md)
* **Assembly:** UnityEngine.PhysicsModule

```csharp
public float radius { get; set; }
```

### Examples

```csharp
using UnityEngine;

public class Example : MonoBehaviour
{
    // Set the controller radius to 0.3f
    CharacterController controller;

    void Start()
    {
        controller = GetComponent<CharacterController>();
        controller.radius = 0.3f;
    }
}
```