---
title: MSEC_PER_SEC
framework: Dispatch
role: symbol
role_heading: Global Variable
path: dispatch/msec_per_sec
---

# MSEC_PER_SEC

## Declaration

```swift
var MSEC_PER_SEC: UInt64 { get }
```

## See Also

### Constants

- [DISPATCH_API_VERSION](dispatch/dispatch_api_version.md)
- [DISPATCH_APPLY_AUTO_AVAILABLE](dispatch/dispatch_apply_auto_available.md)
- [DISPATCH_ONCE_INLINE_FASTPATH](dispatch/dispatch_once_inline_fastpath.md)
- [DISPATCH_SWIFT3_OVERLAY](dispatch/dispatch_swift3_overlay.md)