About the Container Loading Calculator
How many cartons or pallets fit in a 20 ft, 40 ft or 40 ft HC container by volume and weight.
Also known as: container volume calculator, cbm calculator, fcl loading, shipping container capacity, container-volume.
How to use this calculator
- Enter container, carton length (cm), carton width (cm), carton height (cm) and the other fields.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
Cartons = usable container volume ÷ carton volume (capped by weight limit)
Worked example
Using the values pre-filled in the calculator above:
- Container: 40 ft (67 m³, 26 t)
- Carton length (cm) = 50
- Carton width (cm) = 40
- Carton height (cm) = 30
- Carton weight (kg) = 12
- Realistic fill rate = 85 %
the calculator returns:
- Cartons per container: 949
- Limited by: Volume
- CBM per carton: 0.06
- Total CBM used: 56.94