How To Measure A Box Size. Standard corrugated boxes are measured as: Make sure to give the dimensions in this order:
Record the measurement in inches. Box sizes are measured by their internal dimensions, and are are listed in the order of length, width, and height (l x w x h). How to take accurate measurements of a box?
Measure the height / depth.
Be sure that the length and width do correspond to the opening of the box. Place the box so that the opening or loading side is facing up, as if you are going to fill the box. How to measure a corrugated box whenever you have something you need to pack or ship you want to be sure to have the proper box size. Simply measure the length, width, and depth (or height) of what you would like to pack and express the measurements in milimetres.