# referenceSpritePixelsPerUnit

> Sprites have a Pixels Per Unit value that controls the pixel density of the sprite. For sprites that have the same Pixels Per Unit value as the Reference Pixels Per Unit value in the PanelSettings asset, the pixel density will be one to one.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine.UIElements](/engine/6000.6/script-reference/unityengine/uielements.md)
* **Assembly:** UnityEngine.UIElementsModule

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