Carton Size for Quantity Calculator
Find candidate internal carton dimensions for a target count of identical protected rectangular items, with explicit wall clearance, gaps and orientation rules.
Use a saved product specification (optional)
Illustrative dimensions. Enter your protected product envelope.
The formula, made clear.
Find candidate internal carton dimensions for a target count of identical protected rectangular items, with explicit wall clearance, gaps and orientation rules.
How to use this calculator
- 01
Define the exact quantity, measurement boundary or delivery date.
- 02
Replace illustrative measurements and durations with supplier-confirmed data.
- 03
Inspect the candidate or document, retain unresolved assumptions and export a reviewable result.
A calculation you can check
Twelve 120 × 80 × 50 mm envelopes with 5 mm wall clearance and no inter-item gap fit a 3 × 2 × 2 candidate of 370 × 170 × 110 mm internal dimensions. Other regular grids can use different shapes.
Enter the illustrative case in the planning tool above. The displayed inputs, calculation breakdown and results form a live, auditable worked example.
Check the displayed formula and units against your quotation. Use measured GSM, net weight and actual layout dimensions where available. Default densities are planning assumptions, not certified material properties. Calculated cost does not certify strength, compatibility or safe loading.
Method, units and material assumptions ↗