FCL vs LCL

A full container load is exclusive use of a container. It is packed for one shipper, sealed where it was packed, and in normal circumstances not opened again until it reaches the consignee or an authority asks for it.

A less than container load is space inside a container shared with other shippers' consignments. Somebody consolidates the cargo into the box at origin, and somebody separates it again at destination. Those two operations are the whole difference, and almost every practical distinction between the products follows from them.

So the choice is not simply large against small. It is exclusive against shared, with everything that shared handling implies for cost structure, elapsed time and risk.

A full container is sold as a unit. The price attaches to moving that box between two points and is largely indifferent to how much of it is used, which is why under-filling a container is a real and avoidable cost.

Shared space is sold on measurement. The charge responds to both the volume a consignment occupies and its weight, and the higher of the two governs under whatever conversion the operator applies. The consequence is that dense cargo can cost considerably more in shared space than its footprint suggests, while light bulky cargo consumes space quickly and is expensive for a different reason. Density is therefore a first-order input to the decision, not a detail.

This is also why a consignment that grows steadily does not see its shared-space cost grow steadily alongside it. It rises with measurement until, somewhere below a full box, buying the whole container becomes the cheaper answer as well as the simpler one.

Cargo in a shared container cannot simply be collected on arrival. The container is moved to a facility, unpacked, and the individual consignments are separated, checked and made available. That work is performed per consignment, and much of it costs roughly the same whether the consignment is one pallet or ten.

The practical effect is that destination handling weighs most heavily on the smallest shipments — exactly the shipments for which shared space is chosen. It is also the part most often missing from a comparison, because sea freight is quoted in one place and local charges in another.

So the only meaningful comparison is landed: everything from collection to release at destination, on the same scope, for both options. A shared-space rate that looks lower than a full-container rate may not survive that comparison, and finding out afterwards is the expensive way.

• Ask for both options quoted to the same point, with charges at destination itemised
• Establish what is excluded, and who pays it, before comparing anything
• Re-check the comparison when volumes change; the answer is not stable over time

A full container can move once it is packed and its documentation is in order. Its timing is essentially the timing of the routing.

Shared cargo waits at both ends. At origin it waits for the consolidation to close, which is a cut-off set by the operator and not by the shipment. At destination it waits for the container to be unpacked and its own consignment to be processed and released. Neither wait is part of the sea leg, and neither shows on a routing.

This is why elapsed time for shared cargo is longer than the voyage suggests, and why a deadline that looks comfortable against the sea leg alone can fail. Whatever the operator says about cut-offs and availability applies to that specific consolidation and is confirmed for the booking rather than carried over from a previous shipment.

The risk that surprises shippers most is not damage, it is entanglement. Consignments in a shared container travel together, and events that attach to one can hold the whole box. An inspection, a documentary problem or a hold on any consignment inside can stop cargo that has nothing wrong with it.

A shipper cannot choose co-loaded cargo and cannot fix somebody else's paperwork. That exposure is real, it is not priced into a headline rate, and it is the strongest argument for a full container on time-critical or high-value cargo that would otherwise fit comfortably in shared space.

Handling risk follows the same logic. Shared cargo is packed alongside unknown goods and may be restacked during consolidation, so packaging must be built for that rather than for a sealed box that nobody opens.

Start with three properties of the consignment: total volume packed, total gross weight, and therefore its density. Those decide how shared space would charge it and whether it approaches a container's limits.

Then get both options quoted landed at destination, on identical scope, and compare totals rather than sea freight. Add what elapsed time is worth on this particular flow, and ask honestly whether the cargo tolerates being handled and restacked among goods you know nothing about.

Finally, treat the answer as specific to this shipment. Volumes change, lanes change, and the crossover between the two moves. Deciding once and repeating it by habit is how shippers end up paying for half a container of air, or paying shared-space charges that exceed a whole box.