---
title: kelvin
framework: foundation
role: symbol
role_heading: Type Property
path: foundation/unittemperature/kelvin
---

# kelvin

The kelvin unit of temperature.

## Declaration

```swift
@NSCopying class var kelvin: UnitTemperature { get }
```

## See Also

### Accessing Predefined Units

- [celsius](foundation/unittemperature/celsius.md)
- [fahrenheit](foundation/unittemperature/fahrenheit.md)