What Is My Monitor Size?
Discover your monitor's physical dimensions, model information, and detailed display specifications instantly
Free & Easy Screen Size Checker
Wondering how big your monitor really is? You're in the right place!
Our free, instant tool shows your monitor size right now—no rulers or math needed. Just visit this page, and your screen size will appear instantly, so you know exactly what you're working with.
Why Know Your Monitor Size?
Knowing your monitor size helps you:
- Pick the perfect new screen without guesswork
- Set up your desk for maximum comfort
- Avoid eye strain and neck pain
- Check if your display matches your needs for work, gaming, or streaming
If you want to learn why monitor size matters and how to measure it, be sure to check our detailed blog post: What Is My Monitor Size?
How Our Tool Works
Our tool uses your device's display settings to give you your monitor's diagonal size in inches. No measuring tape needed! Just open the page, and you'll see your monitor size, width, and height right away.
Want to double-check? Use a tape measure and follow the steps in our blog post for a manual measurement.
What Does "Monitor Size" Even Mean?
Monitor size refers to the diagonal length of your screen—not including the frame or bezel around it. This is how screen makers describe their products: a 24-inch monitor means the visible screen measures 24 inches corner-to-corner.
Need a Refresher?
Diagonal Size
The number you care about—measured corner to corner.
Aspect Ratio
(like 16:9) tells you the shape of your screen—wider or taller.
Size vs Resolution
Size is physical dimensions; resolution is pixel count.