---
title: round()
framework: swift
role: symbol
role_heading: Instance Method
path: swift/double/round()
---

# round()

## Declaration

```swift
mutating func round()
```

## See Also

### Rounding Values

- [rounded()](swift/double/rounded().md)
- [rounded(_:)](swift/double/rounded(_:).md)
- [round(_:)](swift/double/round(_:).md)