Understanding Screen Resolution
What is Resolution?
Resolution refers to the number of individual pixels that make up the image on your screen. It is usually expressed as 'Width x Height'. Common resolutions include 1920x1080 (Full HD) and 3840x2160 (4K UHD).
The Importance of Aspect Ratio
Aspect ratio is the proportional relationship between a display's width and its height. Most modern monitors use 16:9, but ultrawide monitors often use 21:9 or 32:9 for a more immersive field of view.
Display Resolution FAQ
What is native resolution?
Native resolution is the physical number of pixels that a panel contains. For best clarity, you should always set your OS to the native resolution of your monitor.
Why is my detected resolution different from my specs?
This tool detects the logical resolution multiplied by the Device Pixel Ratio (DPR). On high-DPI displays (like Macs or 4K monitors with scaling), it provides the actual physical pixel count.
How is aspect ratio calculated?
Aspect ratio is determined by finding the greatest common divisor (GCD) between the width and height of your screen's pixel dimensions.