---
title: maximumUnitCount
framework: swift
role: symbol
role_heading: Instance Property
path: swift/duration/unitsformatstyle/maximumunitcount
---

# maximumUnitCount

The maximum number of time units to include in the output string.

## Declaration

```swift
var maximumUnitCount: Int?
```

## See Also

### Working with units

- [allowedUnits](swift/duration/unitsformatstyle/allowedunits.md)
- [Duration.UnitsFormatStyle.Unit](swift/duration/unitsformatstyle/unit.md)
- [valueLengthLimits](swift/duration/unitsformatstyle/valuelengthlimits.md)