---
title: groupingSize
framework: foundation
role: symbol
role_heading: Instance Property
path: foundation/numberformatter/groupingsize
---

# groupingSize

The grouping size of the receiver.

## Declaration

```swift
var groupingSize: Int { get set }
```

## See Also

### Configuring Separators and Grouping Size

- [groupingSeparator](foundation/numberformatter/groupingseparator.md)
- [usesGroupingSeparator](foundation/numberformatter/usesgroupingseparator.md)
- [thousandSeparator](foundation/numberformatter/thousandseparator.md)
- [hasThousandSeparators](foundation/numberformatter/hasthousandseparators.md)
- [decimalSeparator](foundation/numberformatter/decimalseparator.md)
- [alwaysShowsDecimalSeparator](foundation/numberformatter/alwaysshowsdecimalseparator.md)
- [currencyDecimalSeparator](foundation/numberformatter/currencydecimalseparator.md)
- [secondaryGroupingSize](foundation/numberformatter/secondarygroupingsize.md)