Calculate Height for Image/Video based on Aspect Ratio and Width

Question

I have a width: 240 I have aspect ratio: 2.40 I need to get the height based on those two variables. What's the formula?

Answer 1

Definition of the ratio:

ratio = width / height

Formula:

height = width / ratio = 240 / 2.40 = 100

Answer 2

example of calculating 2:40 . using javascript programming language.

var width = 240 ;
var rat1 = 2;
var rat2 = 40;

var ratio  = width / rat1;
var calculated_height = ratio * rat2;