Free tools

Container capacity calculator: how many cartons fit?

Enter one carton size and weight and see how many fit in a 20ft, 40ft and 40ft high cube container, trying every orientation and checking the weight limit. It assumes floor-loaded cartons of one size; pallets and mixed cartons fit fewer.

Internal sizes used: 20ft 590 × 235 × 239 cm, 40ft 1203 × 235 × 239 cm, 40HC 1203 × 235 × 269 cm. Payload limits used: 20ft 25,000 kg, 40ft and 40HC 26,500 kg (actual limits vary by box and road rules).

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Questions

How many cartons fit in a 40ft container?

It depends on the carton size. For a 60 × 40 × 50 cm carton stacked in neat rows, a 20ft fits 180, a 40ft 400 and a 40ft high cube 500 by size alone, before any weight limit. Enter your own carton size above for the exact count.

What are the inside dimensions of a 20ft and 40ft container?

Typical internal sizes: 20ft about 5.90 × 2.35 × 2.39 m (about 33 cbm); 40ft about 12.03 × 2.35 × 2.39 m (about 67 cbm); 40ft high cube about 12.03 × 2.35 × 2.69 m (about 76 cbm). Door openings are slightly smaller.

Why do real loads fit fewer cartons?

Pallets, mixed carton sizes, load bracing, stacking limits for fragile goods and the door opening all reduce the count. Treat the result as the ceiling, not the plan.

What is the maximum weight for a 20ft container?

Most 20ft boxes allow a payload of roughly 21,000 to 28,000 kg depending on the box, but road weight limits at origin and destination are often lower. Check with the carrier and trucking company before loading heavy cargo.

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