How many pallets fit in a 40ft container?

Published figures for a 40ft high cube are around 23 to 25 Euro pallets at 1,200 by 800 millimetres, or 20 to 21 standard pallets at 1,200 by 1,000 millimetres, on a single tier. Double stacking can roughly double that to around 46 to 50 Euro pallets, provided the cargo can carry the load and the container payload limit is not exceeded. A 40ft high cube has an internal volume of about 76 cubic metres. Treat these as planning figures - actual counts depend on your pallet dimensions, load height and whether anything overhangs.

Why do Euro pallets fit more than standard pallets?

Because the 800 millimetre width interacts better with the container's internal width of roughly 2,350 millimetres, allowing two orientations to be combined in a mixed pattern. Two standard 1,000 millimetre pallets side by side exceed the available width, which forces a pinwheel or staggered arrangement and loses spaces at the edges.

What makes a case genuinely stackable?

A flat, load-bearing top surface and a matching footprint that transfers load through the case structure rather than through the lid into the contents. Interlocking features - ribs, recesses or corner profiles that locate one case on the one below - stop sliding. And a shell stiff enough that the bottom case in a stack is not carrying the whole stack through its lid.

How high can I stack cases?

As high as the weakest case in the stack allows, which is a question about your packaging and not about the container. The stack must survive the compression load of everything above it, the dynamic loads of transport, and the handling it will actually receive. If you do not know the limit, test it: build the stack, leave it loaded for the transit duration, and inspect the bottom case for deformation.

Should I design the case to fit the pallet, or the pallet to fit the case?

The case, because the pallet is fixed by your market. Euro pallets dominate European trade, 1,200 by 1,000 is common in the UK and industry, and other sizes in other regions. Choose case footprints that tile onto the pallets you will actually use with minimal overhang - an overhang is unsupported load, and unsupported load is how stacks fail and cartons crush.

Case Stackability and Pallet Planning for Containers

Every shipment hits one of two limits: it runs out of space or it runs out of weight allowance. Light, bulky cargo - which includes empty protective cases - runs out of space. Stackability is the lever that moves which limit you hit, and it is a case design decision made long before anyone books a container.

The two limits

Container type	Internal volume	Typical single-tier pallets	Note
20ft standard	About 33 cubic metres	10 to 11 Euro / 9 to 10 standard	Carries more payload than a 40ft despite half the volume - the choice for dense cargo
40ft standard	About 68 cubic metres	23 to 25 Euro / 20 to 21 standard	Same floor as the high cube; less height for a second tier
40ft high cube	About 76 cubic metres	23 to 25 Euro / 20 to 21 standard	The extra height is what makes a second tier practical
45ft high cube	About 86 cubic metres	27 to 28 Euro / 24 to 25 standard	Not available on all trade lanes

A useful rule of thumb from the industry: if your cargo's density is below roughly 350 kilograms per cubic metre, you will fill the container's volume before you reach its weight limit. Empty or lightly loaded protective cases sit well below that threshold, which is precisely why stacking matters so much for this product category.

PP case batch in production and pallet-ready view — Stack to cube-out or weigh-out first — the two ceilings are different.

Pallet footprints: design to the pallet you will actually use

Euro pallet, 1,200 by 800 millimetres. Dominant in European trade and the most container-efficient, because the 800 millimetre width allows mixed orientations within the container's internal width.
Standard or industrial pallet, 1,200 by 1,000 millimetres. Common in the UK and in general industry; fits slightly fewer per container because two side by side exceed the internal width.
Regional variants. Confirm the pallet standard for your destination market before you fix case dimensions - this is a market constraint, not a preference.

Overhang is the silent killer of pallet efficiency. A case that hangs over the pallet edge is carrying load on nothing, which both crushes the case and destabilises the stack. Design footprints that tile cleanly, with the case fully supported.

What makes a case stackable

Flat, load-bearing top. The surface above must be designed to take load, not merely to close.
Matching footprint. The case below should receive load through its structure, so the lid is not transmitting the stack into the contents.
Interlock. Ribs, recesses or corner profiles that locate each case on the one below. Without it, stacks slide in transit and the wrap takes a load it was not meant to take.
Shell stiffness. The bottom case in a tall stack carries everything above it. Stiffness, not just strength, is what keeps the stack column-stable.
Stable feet or base. A base that sits flat on the pallet, without rocking or point-loading.
Anti-slip consideration. Smooth polymer on smooth polymer slides. Consider how the stack will be wrapped, strapped or interleaved.

Planning a load

Start from the pallet, not the case: how many cases tile one layer with no overhang?
Multiply by the number of layers the stack height and the container height permit, then check the case's own compression limit.
Check the weight: stack height is often limited by stackability before it is limited by the container payload, but confirm which binds for your cargo.
Column stack where possible - cases directly above cases transfers load through the strongest path. Interlocking brick patterns are more stable but transfer load less directly.
Wrap or strap so the load acts as a unit, remembering that wrap restrains, it does not support.
Consider the door opening as well as the internal dimensions - a load that fits the box but not the doorway is a load that gets repacked at the warehouse.

The mistakes that cost the most space

Using wheeled cases in a palletised load without accounting for the wheels - they add height, create point loads and make stacks unstable.
Mixing case sizes across a pallet layer, which leaves unusable gaps that no clever pattern recovers later.
Designing case dimensions around the product rather than around the pallet, then discovering the loss at the container stage.
Forgetting that the container floor is not perfectly flat - there is a recess near the front on 40ft units that needs bridging or avoidance for level-critical loads.
Assuming the published pallet count is achievable with your case dimensions rather than with a standard carton.

Stackability is a specification you either buy or pay for repeatedly in freight. It costs nothing to specify at design stage and cannot be recovered at the container. For JUNZHIJIA cases intended for palletised export, tell us the pallet standard for your destination, the stack height you need to survive, and whether the containers are standard or high cube, and the case footprint and shell stiffness are specified against that - rather than discovered when the first booking comes in.

Case Stackability and Pallet Planning: Fitting More Into a Container

The two limits

Pallet footprints: design to the pallet you will actually use

What makes a case stackable

Planning a load

The mistakes that cost the most space

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