---
title: pixelSize
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avcameracalibrationdata/pixelsize
---

# pixelSize

The size, in millimeters, of one image pixel.

## Declaration

```swift
var pixelSize: Float { get }
```

## See Also

### Mapping pixels to scene geometry

- [intrinsicMatrix](avfoundation/avcameracalibrationdata/intrinsicmatrix.md)
- [intrinsicMatrixReferenceDimensions](avfoundation/avcameracalibrationdata/intrinsicmatrixreferencedimensions.md)
- [extrinsicMatrix](avfoundation/avcameracalibrationdata/extrinsicmatrix.md)