Screen size calculator

Alternative name: Height and width of screen calculator

Use this screen size calculator if you want to know the height and width of a screen based on its diagonal size. This calculator will find the height and width in centimeters by entering the screen's diagonal size and selecting the screen aspect ratio.

If you select an option that has the same underlying value as another option, both (all) will be marked.


Height: 105.8 centimeters
Width: 188.2 Centimeters

Our calculations

At Calculatorian, we are keen to share our knowledge, be transparent and open to feedback. Here are the calculations used to create this calculator. If you find an error or deficiency, contact us and we'll fix it in an instant!

Height was calculated like this:

Width was calculated like this:

Variables used in this formula

diagonal = Diagonal size in inches

Depending on your choice when selecting aspect ratio a constant is applied as the variable ar in the formula.

Aspect ratioar
16:9 - modern TV or computer screen1.7779
4:3 - Old TV1.333
16:10 - Old computer screens1.6
1:2.35 - Cinema0.4255319149
21:9 - Ultra wide screen2.333