How to Change Rulers to Inches in Photoshop


If you’re working on an image in Photoshop that is in inches, you may need to change the rulers to match. Here’s how change the ruler units.

How to Change Rulers to Inches in Photoshop

If you’re working on a design in Photoshop that you mean to print in the United States, it’s essential to ensure you set up your document with the correct units of measurement. Photoshop documents are default set to have a ruler unit of pixels. But you can easily change the ruler units to inches by following the steps below.

How to Change Rulers to Inches in Photoshop

To change the Photoshop rulers to inches from pixels or any other unit, you need to change the Photoshop preferences:

  1. Click on Edit at the top
  2. Click on Preferences towards the bottom of the dropdown
  3. Click on Units & Rulers on the next dropdown
  4. Under Units > Rulers, select your preferred unit
Photoshop Preferences Units and Rulers

If rulers aren’t visible for your image, click on View > Rulers or hit CTRL + R.


How do I change the ruler to cm in Photoshop?

Go to Edit > Preferences > Units & Rulers. In the Units section, select Centimeters from the drop-down menu next to Rulers.

How many pixels is an inch in Photoshop?

There are 72 pixels in an inch in Photoshop.

How do I use the ruler to measure in Photoshop?

In Photoshop, you can use the ruler to measure in pixels, inches, centimeters, or points. To use the ruler, select the ruler tool from the toolbox, then click and drag on the image.

How do I change the ruler to inches in Illustrator?

To change the ruler to inches in Illustrator. Select Preferences from the Edit menu. In the Preferences dialog box, click Units. In the Units preferences, select Inches from the Ruler Units drop-down menu. Click OK.

How do you scale in Photoshop?

Go to Edit > Transform > Scale.

How do you convert pixels to CM?

There is no direct conversion formula from pixels to centimeters. However, you can calculate the conversion by knowing the pixel density of your device. Pixel density is the number of pixels per inch (ppi) on a digital display. To convert pixels to centimeters, divide the pixel value by the pixel density.

For more Photoshop walkthroughs, see our Photoshop Section.