What is my screen resolution?

The quickest way is a browser tool that reads it instantly. You can also find it in Display settings on Windows or Mac.

What does 1920x1080 mean?

It means the screen is 1920 pixels wide and 1080 tall, also known as Full HD or 1080p.

What is the difference between resolution and aspect ratio?

Resolution is the pixel count (like 1920x1080); aspect ratio is the shape of the screen (like 16:9). Both describe the display but in different ways.

How to Find Your Screen Resolution and Aspect Ratio

Quick answer: The fastest way to find your screen resolution is a browser tool that reads it instantly. You can also check Display settings on Windows or Mac. Resolution is the pixel count, like 1920x1080, while aspect ratio is its shape, like 16:9.

See it now: open the screen resolution tool.

Check on Windows

Go to Settings, System, Display, and look under Display resolution. The option marked Recommended is your screen's native resolution, which usually looks sharpest.

Check on a Mac

Open System Settings, then Displays, to see the current resolution and choose a scaled option.

What the numbers mean

Resolution is width by height in pixels — 1920x1080 is Full HD, 2560x1440 is 1440p, 3840x2160 is 4K. Aspect ratio is the shape, such as 16:9 widescreen, 16:10, or 21:9 ultrawide. Running a screen at its native resolution keeps the image crisp.

Confirm

The screen resolution tool reads your current resolution and details straight from the browser, no settings menus needed.