Container Load Calculator
Estimate how many items fit in a shipping container. Check volume and weight utilisation for 20ft, 40ft, high cube, and reefer containers.
Container Type
Internal (L x W x H)
590 x 235 x 239 cm
Capacity
33.2 CBM
Max Weight
28,200 kg
Items to Load
Container Loading Tips
Standard 20ft containers have internal dimensions of approximately 5.90m x 2.35m x 2.39m (33.2 CBM usable), while 40ft containers offer roughly 12.03m x 2.35m x 2.39m (67.7 CBM). The 40ft High Cube adds 30cm of height (2.69m internal). Maximum gross weight for all containers is typically around 30,480 kg (including tare weight of ~2,200-3,800 kg). In Australia, road weight limits may restrict container payload to approximately 28,200 kg for a 20ft and 28,800 kg for a 40ft on most routes. For efficient loading: place heaviest items at the bottom, distribute weight evenly, and aim for 80%+ volume utilisation to justify a full container load (FCL) over less-than-container load (LCL) rates.
For reference only. Actual loading capacity depends on item shape and stacking. Learn about AP Automation
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About Container Loading
Efficient container loading is critical for managing freight costs. A full container load (FCL) is significantly cheaper per CBM than less-than-container load (LCL) shipments, but only if you can utilise at least 70-80% of the container's capacity.
Container payloads in Australia are limited by road weight regulations. While a 40ft container has a maximum gross weight of approximately 30,480 kg, the typical road-legal payload is around 28,800 kg after accounting for container tare weight and truck limits. Always confirm weight limits with your transport provider for specific routes.
Key loading considerations include: weight distribution (heavy items at the bottom and spread evenly), stacking limits based on packaging strength, and leaving space for load securing equipment. Refrigerated containers have slightly smaller internal dimensions due to insulation and cooling units.
How to use this calculator
- Select your container type from the presets.
- Enter item dimensions (cm), weight (kg), and quantity for each item type.
- Add multiple item types if loading a mixed shipment.
- Optionally enter freight cost to calculate per-unit shipping cost.
- Review volume and weight utilisation to optimise your load plan.
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