---
title: UIScrollView.DecelerationRate
framework: uikit
role: symbol
role_heading: Structure
path: uikit/uiscrollview/decelerationrate-swift.struct
---

# UIScrollView.DecelerationRate

Deceleration rates for the scroll view.

## Declaration

```swift
struct DecelerationRate
```

## Overview

Overview You use these constants to set the value of the decelerationRate property.

## Topics

### Deceleration rates

- [normal](uikit/uiscrollview/decelerationrate-swift.struct/normal.md)
- [fast](uikit/uiscrollview/decelerationrate-swift.struct/fast.md)

### Initializers

- [init(rawValue:)](uikit/uiscrollview/decelerationrate-swift.struct/init(rawvalue:).md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Managing the scrolling state

- [isTracking](uikit/uiscrollview/istracking.md)
- [isDragging](uikit/uiscrollview/isdragging.md)
- [isDecelerating](uikit/uiscrollview/isdecelerating.md)
- [isScrollAnimating](uikit/uiscrollview/isscrollanimating.md)
- [stopScrollingAndZooming()](uikit/uiscrollview/stopscrollingandzooming().md)
- [decelerationRate](uikit/uiscrollview/decelerationrate-swift.property.md)