---
title: kernelHeight
framework: metalperformanceshaders
role: symbol
role_heading: Instance Property
path: metalperformanceshaders/mpsimageconvolution/kernelheight
---

# kernelHeight

The height of the filter window. Must be an odd number.

## Declaration

```swift
var kernelHeight: Int { get }
```

## See Also

### Properties

- [kernelWidth](metalperformanceshaders/mpsimageconvolution/kernelwidth.md)
- [bias](metalperformanceshaders/mpsimageconvolution/bias.md)