Custom Boxes Empire / Connected packaging
Master carton calculator
Best way to pack retail boxes into a shipping carton within weight and size limits.
How it works
Tests every grid up to 20 × 20 × 20, keeping orientation, and picks the most units with the least board.
Tip
Many warehouses cap manual-handling cartons at 15–23 kg.
Questions
Why limit weight?
For safe manual handling and box strength.
Outside size?
Add board thickness with the inside/outside converter.
Planning estimate only. Confirm sizes, strength and costs with samples and your written quote.
PLAN YOUR PACKAGING
From a better brief to a tailored quote.
Check sizing, compare materials and share your requirements. Final specifications and pricing are confirmed by the team.
Request a packaging quoteSelected delivery market: United Kingdom
Planning delivery to one of these British destinations?
London, Manchester, Birmingham, Bristol, Edinburgh
Add the delivery city and postcode to your brief. Freight, duties and delivery availability are confirmed in the quote.