How do I Change the Transform Unit in Photoshop?

To change the transform unit in Photoshop, you can use the following methods:

Method 1: Using the Rulers

1. Double-click a ruler. This action will directly open the Preferences window where you can modify the units.

Method 2: Using Preferences (Windows)

1. Go to Edit > Preferences > Units & Rulers.
2. In the dialog box that appears, you can select your desired unit from the "Rulers" dropdown menu.

Method 3: Using Context Menu (Windows)

1. Right-click on any of the rulers.
2. A context menu will appear, offering a list of available units; select the one you need.

Method 4: Using Preferences (Mac OS)

1. Navigate to Photoshop > Preferences > Units & Rulers.
2. The preferences window will open allowing you to change the unit for rulers.

Method 5: Using Context Menu (Mac OS)

1. Control-click on any of the rulers.
2. A context menu will display a list of available units; simply pick the desired one.

Here’s a summary in table format:

Operating System	Method	Steps
Both	Double-click Ruler	Double-click any ruler to open Preferences directly.
Windows	Preferences Menu	Go to Edit > Preferences > Units & Rulers and select unit.
Windows	Context Menu on Ruler	Right-click the ruler and select unit from the context menu.
Mac OS	Preferences Menu	Go to Photoshop > Preferences > Units & Rulers and select unit.
Mac OS	Context Menu on Ruler	Control-click the ruler and select unit from the context menu.

By using any of these methods you can easily change the unit for measurements in Photoshop according to your need and preference.