Calculate screen dimensions from diagonal size and aspect ratio. Find width, height, area, and pixel density.

Width: 20.92 in (53.14 cm)
Height: 11.77 in (29.89 cm)
Area: 246.2 in²
Aspect Ratio: 16:9
Diagonal: 24.0 in

Formula: Based on the Pythagorean theorem for the given aspect ratio.

Screen Size

Screen size is typically given as the diagonal measurement. The actual width and height depend on the aspect ratio .

How to Use This Calculator

1. Enter diagonal: Screen diagonal size in inches.
2. Select aspect ratio: Common screen ratios.
3. Calculate: Click “Calculate” or press Enter.