Screen Size Calculator
Calculate screen width and height from diagonal size and aspect ratio
inches
About This Tool
The Screen Size Calculator allows users to calculate the diagonal size of a screen given its width and height dimensions. It's beneficial for tech enthusiasts, gamers, and anyone interested in display sizes.
Enter the width and height of your screen or device in inches or centimeters. The calculator will instantly provide you with the diagonal measurement.
Use this tool to determine the exact size of your monitor, TV, or mobile phone screen before purchasing or for technical discussions. All data is processed locally within your browser; no sign-up required.