The standard advice is that you switch from LCL to a full container somewhere around 15 CBM. It is a reasonable starting point and it is frequently wrong, because it treats the decision as purely arithmetic when two of the deciding factors are not costs at all.
The arithmetic part
LCL is billed per revenue tonne: the greater of one cubic meter or one tonne, whichever produces the larger number. Dense cargo is billed on weight, light cargo on volume. FCL is billed per box regardless of how much of it you use — a 20GP holds about 33 CBM and a 40HQ about 76 CBM.
So the crossover is simply where your LCL bill exceeds the price of a whole box. On a lane where a 20GP is cheap the crossover can arrive at 12 CBM. On a lane where LCL consolidation is competitive and container rates are high, it can be past 20. It is lane-specific, which is why a single global rule of thumb misleads.
Compare the two directly on a lane you actually ship: the Ningbo to Valencia container rate against the LCL pricing on the China to Spain overview, or the Ningbo to Gdansk box rate against the Poland page.
The part the arithmetic misses
LCL cargo is handled far more. It is delivered to a consolidation warehouse, stripped, re-stowed with other people’s freight, shipped, then de-consolidated at destination. Each of those is a chance for a carton to be crushed, misrouted or short-shipped. FCL is sealed at your supplier and opened at your consignee.
LCL moves at the speed of the slowest co-loader. Your cargo can be ready and still wait for the container to fill. Worse, if anything in that container triggers a customs examination at destination — someone else’s goods, someone else’s paperwork — the whole box is held, including yours.
That second point is the one that changes decisions. A shipment where a two-week delay costs you a retail launch window is worth putting in its own container well before the cost curves cross.
A practical rule
- Under 8 CBM — LCL, almost always.
- 8 to 15 CBM — ask for both. This is where lane specifics decide it.
- 15 to 25 CBM — FCL usually wins on cost, and always on risk.
- Over 25 CBM — 40HQ, and check whether two 40HQ beat three 20GP.
One thing that is not on that list: fragile, high-value or time-critical cargo. Move it a tier earlier than the CBM suggests.
To sanity-check against a real tariff, the fixed-weight pages apply the live rate to a known consignment — 300 KG to the Netherlands, 500 KG to Italy. Or start from China to Netherlands sea freight cost to see every channel on the lane at once.
