Screen Size Calculator

Free tool

Enter the diagonal in inches and the aspect ratio of a screen, monitor, or TV to find out how tall and wide it really is, without a tape measure. Also includes a direct inches ↔ cm converter.

Screen details

Screen diagonal (inches)

Aspect ratio

Real dimensions

Enter the diagonal and aspect ratio to see the real height and width.

Inches ↔ cm converter

Value

Source unit

Enter a value to convert between inches and centimeters.