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Products : Boxes : How To Measure Corrugated Boxes


Box Dimensions

Box Dimensions are always inside dimensions and must be stated in the sequence of length, width and depth. The length is the larger of the two dimensions of the open face (flap opening); the width is the smaller. The depth is always the distance measured perpendicular to the length and width between the innermost surfaces of the box. Even the so-called "end-opening" or "end-loading" boxes follow the above principles. Thus, the depth is still the dimension between the innermost surface of the box-measured perpendicular to the length and width.
     
 
 
     
  Other Dimensions

Tubes and folders follow the same sequences used for boxes in determining dimensions. Length, width and depth are listed in that order, with length being the larger of the two dimensions of the open face, and width the smaller. Pads, liners, partition pieces, die-cut pads, scored blanks and sheets of corrugated or solid fiberboard with only two dimensions, have there size specified with the first dimension parallel to the corrugations, or perpendicular to the grain of solid fiberboard.
 
The properly measure a corrugated box, score to score measurements should be taken for each dimension. Since, when describing a corrugated box the inside dimensions (or usable carton capacity) is considered, predetermined deductions from score to score measurements must be made to arrive at the true box size. Board flute, being of variable thickness, requires that each flute have its own set of score to score measurement deductions, as follows:
     
 
 
     
  NOTE: Always measure panels not adjacent to the tape or glue joint. Measure from the center of the score to the center of the score.  
     
 
 
     
 
 
 
   
 

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