---
title: zb
framework: foundation
role: symbol
role_heading: Type Property
path: foundation/bytecountformatstyle/units/zb
---

# zb

The zettabytes unit.

## Declaration

```swift
static var zb: ByteCountFormatStyle.Units { get }
```

## See Also

### Units

- [default](foundation/bytecountformatstyle/units/default.md)
- [all](foundation/bytecountformatstyle/units/all.md)
- [bytes](foundation/bytecountformatstyle/units/bytes.md)
- [kb](foundation/bytecountformatstyle/units/kb.md)
- [mb](foundation/bytecountformatstyle/units/mb.md)
- [gb](foundation/bytecountformatstyle/units/gb.md)
- [tb](foundation/bytecountformatstyle/units/tb.md)
- [pb](foundation/bytecountformatstyle/units/pb.md)
- [eb](foundation/bytecountformatstyle/units/eb.md)
- [ybOrHigher](foundation/bytecountformatstyle/units/yborhigher.md)