How to Change Units in Photoshop (Pixels, Inches, Millimeters) — Mac & PC Tutorial
New to Photoshop? In this quick tutorial, you’ll learn how to change units of measurement in Photoshop so your shapes and tools display sizes in pixels, inches, or millimeters — depending on your project needs.
📏 We’ll cover:
— How to change global units in Preferences
On a Mac, this is under Preferences • Units and Rulers
–What to do when the top toolbar shows the wrong unit
–The hidden Control-click (Mac) and Right-click (PC) trick to change units in the toolbar and dialog boxes
— How Photoshop handles px, in, mm, and more when you manually enter sizes
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*Timestamps*
00:00 Intro – Units of Measurement in Photoshop
00:13 Where to Find Units & Rulers Settings
00:28 Setting Units to Inches or Pixels
00:36 Drawing a Rectangle Shape in Photoshop
00:45 Viewing Shape Size in the Properties Panel
01:00 What to Do If You Don’t See the Properties Panel
01:14 Rulers vs Toolbar Measurements
01:27 Toolbar Still Showing Pixels
01:35 Hidden Trick: Control-Click or Right-Click on Units
01:56 Matching Toolbar Units with Properties Panel
02:12 Switching Units Without Changing the Rulers
02:27 Do Unit Settings Save With Files?
02:41 Creating a New Document and Shape – Units Compared
03:05 Mixed Units in Dialog Boxes
03:20 Changing Units Inside the Shape Creation Dialog
03:38 Entering Units Manually (e.g. 50px)
03:56 Photoshop Automatically Converts Units
04:10 Recap – Tips for Working with Units in Photoshop
04:30 Final Thoughts and Quick Wrap-Up
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Whether you’re working on a web design or preparing a print file, understanding units in Photoshop helps keep everything accurate and frustration-free.
✅ Great for beginners
✅ Works with both Mac and Windows
✅ Quick and practical tips
👀 Watch now and take control of your Photoshop workspace!
More details on the blog: https://designertofullstack.com/how-to-change-units-in-photoshop-pixels-inches-and-millimeters/
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