Define the purchasing question
The best layer arrangement is only the first constraint. A planned pallet can reach its height or mass limit before all apparent space is used.
Review both limiting factors and have box strength, pallet rating and transport stability validated separately. The simple two-orientation layer count is not a global packing optimum.
Collect measurements that match the calculation
Measure outside carton dimensions and gross carton mass. Record pallet footprint, tare, height, gross load limit and the complete loaded-height limit. Keep upright orientation explicit.
Use the better of two uniform upright layer orientations, then constrain complete layers by loaded height and gross mass. Partial top layers are excluded.
- Usable pallet length (mm)
- Usable pallet width (mm)
- External carton length (mm)
- External carton width (mm)
- Carton height (mm)
- Pallet height (mm)
- Maximum loaded height (mm)
- Pallet tare (kg)
- Maximum gross loaded mass (kg)
- Gross carton mass (kg)
Work through an illustrative case
Whole layers = min(height-limited layers, mass-limited layers); Cartons = Layers × Cartons/layer
Eight cartons per layer and five layers give 40 cartons and 505 kg gross including a 25 kg pallet.
Replace these illustrative inputs with measured data or a quotation for the same scope. Change one assumption at a time so that a difference can be traced to a dimension, quantity, charge or process change.
Avoid the expensive comparison error
Ignoring pallet height adds an extra apparent layer. Counting a partial top layer while applying complete-layer formulas can also produce a plan the tool does not represent.
- Uniform upright layers only; mixed patterns may differ.
- No box strength, pallet rating or load stability certification.
Common questions
What should I verify before using this result?
Measure outside carton dimensions and gross carton mass. Record pallet footprint, tare, height, gross load limit and the complete loaded-height limit. Keep upright orientation explicit.
Does this calculation approve the packaging?
No. It estimates only the stated quantity, conversion or cost boundary. Technical performance and any required test or supplier approval remain separate.