---
title: unitsPerSecond
framework: phase
role: symbol
role_heading: Instance Property
path: phase/phaseengine/unitspersecond
---

# unitsPerSecond

A conversion factor from seconds to your app’s preferred unit of time.

## Declaration

```swift
var unitsPerSecond: Double { get set }
```

## Discussion

Discussion Time-based properties throughout the framework apply the value you supply for this property to their value.

## See Also

### Measuring Units

- [unitsPerMeter](phase/phaseengine/unitspermeter.md)