What comes first length or width or height?

The Graphics’ industry standard is width by height (width x height). Meaning that when you write your measurements, you write them from your point of view, beginning with the width. That’s important. When you give us instructions to create an 8×4 foot banner, we’ll design a banner for you that is wide, not tall.

What are the 3 measurements of a box?

The three measurements of a box (or rectangular solid) are its length (l), width (w), and height (h).