---
title: milliseconds
framework: foundation
role: symbol
role_heading: Type Property
path: foundation/unitduration/milliseconds
---

# milliseconds

The millisecond unit of duration.

## Declaration

```swift
@NSCopying class var milliseconds: UnitDuration { get }
```

## See Also

### Accessing Predefined Units

- [hours](foundation/unitduration/hours.md)
- [minutes](foundation/unitduration/minutes.md)
- [seconds](foundation/unitduration/seconds.md)
- [microseconds](foundation/unitduration/microseconds.md)
- [nanoseconds](foundation/unitduration/nanoseconds.md)
- [picoseconds](foundation/unitduration/picoseconds.md)