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# Texel Size Node
## Description
Returns the **Width** and **Height** of the texel size of **Texture 2D** input. Uses the built in variable `{texturename}_TexelSize` to access special properties of a **Texture 2D**.
If you experience texture sampling errors while using this node in a graph which includes Custom Function Nodes or Sub Graphs, you can resolve them by upgrading to version 10.3 or later.
**Note:** Do not use the default input to reference your **Texture 2D**. It makes your graph perform worse. Instead connect this node to a separate [Texture 2D Asset Node](Texture-2D-Asset-Node.md) and re-use this definition for sampling.
## Ports
| Name | Direction | Type | Binding | Description |
|:------------ |:-------------|:-----|:---|:---|
| Texture | Input | Texture | None | Texture asset |
| Width | Output | Float | None | Texel width |
| Height | Output | Float | None | Texel height |
## Generated Code Example
The following example code represents one possible outcome of this node.
```
float _TexelSize_Width = Texture_TexelSize.z;
float _TexelSize_Height = Texture_TexelSize.w;
```