Laptop Screen Size Calculator: Width, Height and Area
A 14-inch 16:10 screen and a 14-inch 16:9 screen are not the same size. Enter two screens to see their real dimensions and how much bigger one is.
How it works
For an aspect ratio of a:b, the width is the diagonal times a divided by the square root of a squared plus b squared. The height uses b in place of a.
Area is width times height. The comparison shows the area of screen B as a percentage of screen A.
Questions and answers
Is a 16:10 screen bigger than a 16:9 screen of the same diagonal?
Yes. At the same diagonal a 16:10 panel is taller and has about 5% more area than a 16:9 panel.
How wide is a 15.6-inch laptop screen?
A 15.6-inch 16:9 panel is about 34.5 cm wide and 19.4 cm tall. The laptop itself is wider because of the bezels.
Does this give the size of the whole laptop?
No, only the visible panel. For the body size, check the dimensions in the review or on the manufacturer's page.