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  "identifier" : "/documentation/AppKit/NSAccessibilityUnits",
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  "title" : "NSAccessibilityUnits"
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# NSAccessibilityUnits

Values that indicate the unit values of a ruler or layout area.

```
enum NSAccessibilityUnits
```

## Overview

This constant is used with the [`accessibilityHorizontalUnits`](/documentation/AppKit/NSAccessibility-c.protocol/accessibilityHorizontalUnits), [`accessibilityVerticalUnits`](/documentation/AppKit/NSAccessibility-c.protocol/accessibilityVerticalUnits), and [`accessibilityUnits`](/documentation/AppKit/NSAccessibility-c.protocol/accessibilityUnits) properties.

## Topics

### Constants

[`NSAccessibilityUnits.unknown`](/documentation/AppKit/NSAccessibilityUnits/unknown)

The units are unknown.

[`NSAccessibilityUnits.inches`](/documentation/AppKit/NSAccessibilityUnits/inches)

The units are inches.

[`NSAccessibilityUnits.centimeters`](/documentation/AppKit/NSAccessibilityUnits/centimeters)

The units are centimeters.

[`NSAccessibilityUnits.points`](/documentation/AppKit/NSAccessibilityUnits/points)

The units are points.

[`NSAccessibilityUnits.picas`](/documentation/AppKit/NSAccessibilityUnits/picas)

The units are picas.


---

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