---
title: NSDecimalMaxSize
framework: foundation
role: symbol
role_heading: Global Variable
path: foundation/nsdecimalmaxsize
---

# NSDecimalMaxSize

The maximum size of Decimal.

## Declaration

```swift
var NSDecimalMaxSize: Int32 { get }
```

## Discussion

Discussion Gives a precision of at least 38 decimal digits, 128 binary positions.

## See Also

### Getting particular decimals

- [greatestFiniteMagnitude](foundation/decimal/greatestfinitemagnitude.md)
- [leastFiniteMagnitude](foundation/decimal/leastfinitemagnitude.md)
- [leastNonzeroMagnitude](foundation/decimal/leastnonzeromagnitude.md)
- [leastNormalMagnitude](foundation/decimal/leastnormalmagnitude.md)
- [pi](foundation/decimal/pi.md)
- [nan](foundation/decimal/nan.md)
- [quietNaN](foundation/decimal/quietnan.md)
- [radix](foundation/decimal/radix.md)
- [NSDecimalNoScale](foundation/nsdecimalnoscale.md)