---
title: nanohertz
framework: foundation
role: symbol
role_heading: Type Property
path: foundation/unitfrequency/nanohertz
---

# nanohertz

The nanohertz unit of frequency.

## Declaration

```swift
@NSCopying class var nanohertz: UnitFrequency { get }
```

## See Also

### Accessing Predefined Units

- [terahertz](foundation/unitfrequency/terahertz.md)
- [gigahertz](foundation/unitfrequency/gigahertz.md)
- [megahertz](foundation/unitfrequency/megahertz.md)
- [kilohertz](foundation/unitfrequency/kilohertz.md)
- [hertz](foundation/unitfrequency/hertz.md)
- [millihertz](foundation/unitfrequency/millihertz.md)
- [microhertz](foundation/unitfrequency/microhertz.md)
- [framesPerSecond](foundation/unitfrequency/framespersecond.md)