Package Structural Design Calculator

Box compression strength and stacking limits from corrugated specs.

Box Length (in)

Box Width (in)

Box Height (in)

ECT (lb/in)

Board Caliper (in)

Product Weight (lbs)

Tab to move between fields

Box Compression (lbs)

498

Safe Stack Weight (lbs)

166

Max Stack High (boxes)8

Boxes per Pallet Layer16

Max Pallet Layers1

Est. Burst Strength (psi)38

Board Grade (1-3)2

How to Use This Calculator

Enter corrugated board grade (E, B, C, or BC flute) and carton dimensions (mm).
Enter top-to-bottom compression load requirement (kgf or lbs) and stacking height.
Read box compression strength (BCT) estimate using the McKee formula.
Verify BCT exceeds the required compression load with a 3:1 safety factor for palletized storage.
Adjust board grade or carton dimensions to achieve the required structural performance.

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