Screen Size Calculator
Calculate screen dimensions based on diagonal size and aspect ratio
Understanding Screen Sizes
Screen size measurements are based on the diagonal length of the display. The actual width and height depend on the aspect ratio. Here's what you need to know:
Common Aspect Ratios
- 16:9 - Standard widescreen format for modern TVs and monitors
- 21:9 - Ultrawide format, popular for gaming and productivity
- 4:3 - Classic format used in older displays
- 32:9 - Super ultrawide format for immersive gaming and multi-tasking
How to Measure
To measure your screen size:
- Measure diagonally from corner to corner
- Select your aspect ratio above
- Enter the diagonal measurement
- Get instant width and height calculations