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Corrugated 101

How to Measure a Box / Size

The size of a corrugated box is always in the sequence length x width x depth (height).These are the inside dimensions and are used in determining the proper size of box to ensure a good fit for the product.

With the box open:

  • The length is the measurement of the longest side of the rectangle
  • The width is the measurement of the shorter side of the rectangle
  • The depth, or height, is the measurement of the side perpendicular to the ground and/or the opening

In the case of corrugated pads or sheets, which have only two dimensions, the size is specified with the first dimension parallel to the flutes.