Display Basics – Lesson 2: How to Measure a Box

By , Designer for Creative Displays Now

Note: This is the second in a series of articles (“Lessons”) covering the basics of corrugated displays and boxes.

In the corrugated world we use Length, Width and Depth to measure cartons and displays. The length would also be known as the left to right dimension and is longer than the width side of the box. The width would be the front to back and the depth is top to bottom. This not only goes for boxes but also any product dimensions you may give us. We use L x W x D no matter what style of box you would be looking for.


A box has an inside dimension (ID) and an outside dimension (OD). Accurate inside dimensions are important to ensure proper fit of your product. Just the same, outside dimensions are important for shipping and palletizing purposes.

When referring to blank sheet sizes or a pad, the first number is always the way of the corrugation direction no matter which dimension is larger. So, let’s say you are looking for a pad that is 28” x 40”? The 28” will be considered the width of the sheet and the 40” will be the length of the sheet. Also referred to W x L. An easy way to remember this is W standing for “Way of Corrugation”.


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